Underwood xtreme defender 380 review

2 models Underwood Ammo .380 ACP 68 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition (1) As Low As (Save Up to 33%) $29.49 $1.47 - $1.51/Round Underwood Ammo 10mm Auto 135 Grain Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammunition, 20, JHP (1) $37.49 (Save 33%) $25.29 $1.26/Round

Former All-Pro NFL Linebacker Shawne Merriman teams up with Fubo Sports, FuboTV's 24/7 sports network, to stream the first international Lights Ou... Former All-Pro NFL Linebacker ...Underwood Ammo 45 Long Colt, 135gr. Extreme Defender, 20rd Box. Underwood Ammo A846. The Xtreme Defender is based on the popular Xtreme Penetrator product line. ... (No reviews yet) ... Underwood Ammo 380 ACP, 65gr. Xtreme Defender, 20rd Box. $34.99 $31.49. Available Online. Compare . Add to Cart The item has been added. …This round is designed to be supersonic and travels faster than the speed of sound. The muzzle energy of this ammo is 255 ft lbs. This product has been designed to be an effective choice for the ultimate in self-defense …Oct 13, 2016 · You might want to take a look at this, on the subject of .380. Incidentally, the Xtreme Defenders outperform the Xtreme Penetrators significantly, due to the 1,300 fps versus the 1,100 fps muzzle velocity. These numbers are for the Underwood loadings, mind you, and the more velocity the better with these. Testing the Underwood Xtreme Defender in the 68 gr XD bullet, one in +P and one standard pressure, VS the Underwood 90 gr XTP loaded to +P. I do a 10% Clear ...The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles. The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to ...Oct 30, 2017 · The material: pork ribs, hoodie, and denim. The ammo I chose is the Underwood Xtreme Penetrator in.357 Magnum 140 gr. at an advertised 1550 feet per second for the model 60. I used the Xtreme Defender in 9mm 90 gr. 1400 feet per second for the CZ. Both of these are very hot rounds at that speed with the new design CMC milled all copper bullets. Review & Questions Summary. There are no reviews yet. Be the first to review “Underwood 380 ACP +P 68 Grain Xtreme Defender (20)” Cancel reply. Your email address will not be published. Required fields are marked *

My P365-380 has handled every thing I’ve fed it — a wide range of JHP, FMJ, Hornady FTX and the Underwood Xtreme Defender — never a malfunction. Lucky Gunner Labs showed the Hornady FTX load as best combination of expansion and penetration. Penetration is very important with the 380. Underwood makes some …Underwood Xtreme Defender 9mm Luger Ammo 90 Grain Lehigh Xtreme Defense Fluted Lead Free Box of 20. Product #: 938344. Manufacturer #: 815. UPC #: 816874020125. ( 115) Write a Review Q&A (43) Our Price: $28.50.Privacy is dead, right? Facebook knows everything about you, and the world is still turning. Whether you don't mind companies or the government knowing all about your private life ...This round is designed to be supersonic and travels faster than the speed of sound. The muzzle energy of this ammo is 255 ft lbs. This product has been designed to be an effective choice for the ultimate in self-defense applications. The bullet in this product has a Sectional Density, (SD) of 0.0770822115793352.4 reviews. 100+ IN STOCK. $ 00. The Xtreme Defender is based on the popular Xtreme Penetrator product line. The XD ammunition has an optimized nose flute, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no other expanding hollowpoint comes close to ...Does anyone think the Xtreme Defender bullets in a 380 will under-penetrate a human threat, and if so, is there any evidence of this? From what I've seen the bullet …The solid copper body ensures that wallboard, sheet metal, and automotive glass will have no effect on the Permanent Wound Channel. SPECIFICATIONS: Mfg Item Num: UA638. Category: CENTERFIRE HANDGUN ROUNDS. Caliber :380 ACP. Bullet Type :Lehigh Defense Xtreme Defender. Bullet Weight : 65 GR. Muzzle Energy : 244 ft. lbs. This ammo is for cartridge size .380 ACP +P. The bullet is made from Copper. The diameter (caliber) of this bullet is 0.355. This bullet weighs 68 grains. This bullet leaves the barrel at 1400 feet per second. The ammo case is made from Nickel Plated Brass. This ammo is a proven round for hunting.

Paul tests Underwood's Xtreme Defender ammo in 380acp.Shirts and patches from Tristar Trading Co: https://alnk.to/6bSTELxOther platforms:Rumble: https://rumb...The Underwood Ammo – 380 ACP – Xtreme Defender – 68 Grain – FMJ offers exceptional performance and reliability. With its 68 grain full metal jacket design, this ammunition ensures accurate and consistent shots. The Xtreme Defender technology enhances penetration and expansion, making it an ideal choice for self-defense purposes. Trust ...Interesting both the 357 Sig and 10mm XD have a velocity of 1700 fps and have almost identical sectional densities. The 10mm should be the better performer though because of its size and energy, however I have an equalizer a 6" Lone Wolfe barrel for my G31 which should increase the 357 Sig energy level close to that of the 10mm!Testing a couple of Underwood .38 Special loads through a 1.875" and 2" snub nose revolver to see how their external and terminal ballistics compare. Round o...Xtreme Defender Solid Monolithic Hunting & Self Defense Ammo Increase Quantity of 32 ACP 55gr. Xtreme Defender Solid Monolithic Hunting & Self Defense Ammo ... We, at Underwood Ammo, stand by our product 100% to be free from defects in workmanship and materials. ... 380 ACP 68gr. Xtreme Defender Platinum Edition Solid Monolithic Hunting …

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For the Underwood .380 ACP 90-grain Extreme Penetrator at 974 fps, maximum terminal penetration depth in 10% gelatin would be 20.25 inches. T[I/H] would be 21.9 seconds. For the Underwood .380 ACP 68-grain Extreme Defender, maximum terminal penetration depth in 10% gelatin would be 13.9 inches.Privacy is dead, right? Facebook knows everything about you, and the world is still turning. Whether you don't mind companies or the government knowing all about your private life ...Underwood Ammo Platinum Edition .380 ACP 68 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 678, MPN: 678, UPC: 816874023683, Code: 40U-LAP-A63845-678 Compare ( 0 )Paul puts the Black Hills Honey Badger 44 special ammo up against Underwood's Xtreme Defense ammo.Shirts and patches from Tristar Trading Co: https://alnk.to...Nov 14, 2021 · Paul puts the Black Hills Honey Badger 44 special ammo up against Underwood's Xtreme Defense ammo.Shirts and patches from Tristar Trading Co: https://alnk.to... The .380 ACP had always suffered from an energy deficit that prevented the cartridge from obtaining both reliable expansion and sufficient penetration with the technology in use, so Federal’s team of engineers applied the lessons learned from several decades’ worth of experience, and redesigned the classic, .380 ACP Personal Defense Hydra-Shok bullet to incorporate the latest advancements ...

At Thursday's Republican presidential debate, Ohio Gov. John Kasich defended his state's move under Obamacare. By clicking "TRY IT", I agree to receive newsletters and promotions f...General LCP Discussion. Underwood Xtreme penetrator .380. Jump to Latest Follow. 13K views 14 replies 9 participants last post by boo Sep 6, 2021. 3502dav … G2 Research R.I.P. 9mm Luger Ammo 92 Grain G2 R.I.P. Fragmenting Hollow Point Lead Free Box of 20. 16 Reviews. $37.50. Add to Cart. Underwood 9mm Luger Ammo 70 Grain Lehigh Maximum Expansion Solid Hollow Point Lead Free Box of 20. 10 Reviews. $35.99. This ammo is for cartridge size .380 ACP +P. The bullet is made from Copper. The diameter (caliber) of this bullet is 0.355. This bullet weighs 68 grains. This bullet leaves the barrel at 1400 feet per second. The ammo case is made from Nickel Plated Brass. This ammo is a proven round for hunting.May 11, 2021 ... 380 caliber has it's place. The right ammo is key. I like the Underwood Extreme Defender (non-+P). It shoots well, is accurate, and has good ...Testing some Underwood Platinum Edition 10mm self-defense ammo! Is it better than the standard version? Heavy clothing ballistic gel test using a Glock 20!Jo...Does anyone think the Xtreme Defender bullets in a 380 will under-penetrate a human threat, and if so, is there any evidence of this? From what I've seen the bullet penetrates gelatin sufficient to meet the FBI specs, and when fired through various meat/bone targets it still penetrates sufficiently.Jul 10, 2020 ... There is no hollow point to plug up and fail to expand as is the case with ALL hollow-point ammo regardless who makes it ... none of it has ...PLEASE SUPPORT MAC ON PATREON: http://www.patreon.com/militaryarmsUnderwood Ammo has another wicked 9mm load they're offering using a Lehigh Defense bullet. ...Hunting. The Underwood Ammo 9mm +P+ Xtreme Defender is a high-performance technical product designed for maximum stopping power. With a 90-grain bullet, this ammunition delivers exceptional penetration and expansion, making it ideal for self-defense situations. Engineered with precision and quality, it ensures reliable feeding and …

17689 posts · Joined 2013. #12 · Aug 3, 2014. Went to the range this evening, G42 in hand, along with some Lehigh Defense 380 Auto 85gr Xtreme Penetrator Ammunition (LD) and Winchester Ranger T 380 Auto 95gr (RA380T). The first five rounds of LD went through the chronograph and were quite promising, no issues cycling the rounds at all.

Windows Defender isn’t the best antivirus software (even Microsoft admits its first-party solutions aren’t ideal), but it’s enabled by default on Windows 10 Home. In fact, the only...Dec 3, 2015 · This was the same impression I've had going into my reading on the loads. I definitely haven't consumed any Kool-Aid at this point. I'm not a ballistics expert, but am pretty well versed in trauma and GSWs as mechanisms of injury. I'm basically looking to see if these rounds are anymore viable than ball ammo in a 380. Wound channels/cavities aside, The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to achieving …Two versions are available in the .380 ACR Black Hills loads the 60-grain Xtreme Defense to 1,150 fps. To avoid confusion, I will mention that Underwood loads a 90-grain version of that same Lehigh Defense bullet in the 9mm Luger but calls it Xtreme Defender. Underwood offers the .380 with a 90-grain Xtreme Penetrator bullet at 1,100 … The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to achieving anywhere near this collective volume of wound cavity. Jan 31, 2022 · Paul tests Underwood's Xtreme Defender ammo in 380acp.Shirts and patches from Tristar Trading Co: https://alnk.to/6bSTELxOther platforms:Rumble: https://rumb... Underwood .380 90gr Xtreme penetrator: the BONE test!!Here I show and shoot the 380 acp Underwood Xtreme Penetrator...although it performed reasonably well f...Underwood 380 ACP Ammo 68 Grain Lehigh Maximum Expansion Solid Hollow Point Lead Free Box of 20. 7 Reviews. $39.99. Add to Cart. G2 Research R.I.P. 380 ACP Ammo 62 Grain G2 R.I.P. Fragmenting Hollow Point Lead Free Box of 20. 7 Reviews. $36.40. Add to Cart.The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to achieving anywhere near this collective volume of wound cavity.UPC Barcode816874020125. Cost Per Round$1.4 per round. Description. Reviews. Q & A. More Details About Our 20 Rounds of 90gr Xtreme Defender 9mm Ammo by Underwood. This 9mm cartridge by Underwood of Illinois excels at self-defense applications. Its 90 grain monolithic bullet consistently penetrates soft tissue as deeply as 18” and creates an ...

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Interesting both the 357 Sig and 10mm XD have a velocity of 1700 fps and have almost identical sectional densities. The 10mm should be the better performer though because of its size and energy, however I have an equalizer a 6" Lone Wolfe barrel for my G31 which should increase the 357 Sig energy level close to that of the 10mm!He's tested a lot of different self-defense ammunition and youtube has not removed most of them (yet). Just searched, he tested and posted a new video on Underwood Xtreme Defender .380 yesterday and Underwood Xtreme Defender 9mm about 3 years ago. Might be other calibers if you keep going back in his library...it's pretty extensive.In a note to staff, Brian Cornell said it was a "difficult" choice to pull Pride products: "We stand with you now and will continue to do so." Jump to Target CEO Brian Cornell is d...The .380 ACP had always suffered from an energy deficit that prevented the cartridge from obtaining both reliable expansion and sufficient penetration with the technology in use, so Federal’s team of engineers applied the lessons learned from several decades’ worth of experience, and redesigned the classic, .380 ACP Personal Defense …THE QUICK LIST. Editor's Pick Defense Ammo. Hornady Critical Defense 90gr FTX .380 ACP. Jump to Details. Best Value Defense Ammo. Sig Sauer V-Crown 90gr JHP .380 ACP. Jump to Details. Most Consistent Defensive Ammo. Speer Gold Dot 90gr GDHP .380 ACP.816874020125. Cost Per Round. $1.4/ppr. max 5 files. only jpg, jpeg, png, heic, heif formats. max 2MB (per file) max width 5000px. max height 5000px. Cheap Underwood 9mm Luger (9x19) ammo for sale at AmmoToGo.com - 20 round packs of Solid Copper 90 Grain ammunition in-stock now.The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth …The Xtreme Defender is based on the popular Xtreme Penetrator product line. The XD ammunition has an optimized nose flute, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no other expanding hollowpoint comes close to achieving anywhere near this diameter and volume. ….

The material: pork ribs, hoodie, and denim. The ammo I chose is the Underwood Xtreme Penetrator in.357 Magnum 140 gr. at an advertised 1550 feet per second for the model 60. I used the Xtreme Defender in 9mm 90 gr. 1400 feet per second for the CZ. Both of these are very hot rounds at that speed with the new design CMC milled all copper bullets.$22.80. $28.50 (20% OFF) ($5.70 OFF) Low Stock: QTY: Availability: In Stock. Box Of: 20. SKU: 639. UPC: 816874021993. Details. Technical & Ballistics Specs. 380 +P ammo is …Underwood .380 ACP 90gr. Xtreme Penetrator® Solid Monolithic Hunting & Self Defense Ammunition - 20 Round Box (New Product) Underwood. Out of stock. Sold out. $ 42.99. $ 33.99. Underwood .40 S&W 100gr. Xtreme Defender Solid Monolithic Hunting & Self Defense Ammunition - 20 Round Box.Loft, a Brazilian proptech unicorn, has let go of 380 employees in its second round of layoffs this year. Image Credits: Loft Loft, a Brazilian proptech unicorn, has laid off about...My P365-380 has handled every thing I’ve fed it — a wide range of JHP, FMJ, Hornady FTX and the Underwood Xtreme Defender — never a malfunction. Lucky Gunner Labs showed the Hornady FTX load as best combination of expansion and penetration. Penetration is very important with the 380. Underwood makes some …Underwood Extreme Defender .380acp 68gr +P & Standard Pressure Ballistic Gel Test. Buckeye Ballistics. 56.5K subscribers. 1.7K. 49K views 1 year ago. LCP Max Review: • Ruger LCP Max...Underwood Platinum Edition Xtreme Defender Ammunition 380 ACP 68 Grain Lehigh Xtreme Defense Lead Free Box of 20. Product #: 547410. Manufacturer #: 678. UPC #: 816874023683. Write the First Review Ask a Question. New Arrival. List …The nice thing with fluted monolithics is the function well in a much wider velocity range making them pretty ideal for lower powered rounds from a short barrel. I carry the 68gr +P defender in my Ruger LCP and the 90gr +P 9mm in my Sog P365. Everything else I have is big enough for Underwood hollow points. Underwood xtreme defender 380 review, Privacy is dead, right? Facebook knows everything about you, and the world is still turning. Whether you don't mind companies or the government knowing all about your private life ..., Premium 10mm Auto Ammo In Stock by Underwood - 100 Grain Xtreme Penetrator Ammunition by Underwood For Sale Online at LuckyGunner.com - 20 Rounds ... Underwood Bullets - 100 grain Xtreme Defender ... Boxer-primed nickel-plated brass . Product Info; Reviews; Q&A; Related Products; Manufacturer: Underwood: Condition: …, The Xtreme Defender is based on the popular Xtreme Penetrator product line. The XD ammunition has an optimized nose flute, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no other expanding hollowpoint comes close to achieving anywhere near this diameter …, In NJ & RI: you must email FID + DL before ordering. Description. • Reloadable: Y. • Boxes Per Case: 10. • Cartridges Per Box: 20. • Bullet Weight In Grains: 65 Grains. • Bullet Type: Copper Solid. • Caliber: .380 Auto (9mm Browning Short) 4.7 Based on 11 Reviews., According to underwood the 68gr are higher velocity than the 90gr (1800fps vs 1475fps) and leave a larger wound channel in ballistic gel. However the 90gr do a little better when shooting through heavy barriers such as glass, wood, and sheet metal. I plan to load these rounds in my Sig p365 EDC and my full size night stand pistol., .380 EXD SP & +P Video: https://youtu.be/bHo7L7jh0_o9mm EXD SP & +P Video: https://youtu.be/76TNHmoW1eMLCP Max Review: …, The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to achieving …, 100+ IN STOCK. $ 645. 00. Manufacturer - Underwood Bullet - Xtreme Defender Case - Nickel Plated Brass Use - Personal Protection Quantity - 20 Rounds Per Box [split] Underwood's Xtreme Defender ammunition is a unique, high tech defensive round that features a machined solid copper projectile designed to penetrate deep and leave a …, , Underwood 380 ACP +P Ammo 100 Grain Flat Nose Box of 20. 9 Reviews. $20.99. Add to Cart. Buffalo Bore Ammunition 380 ACP +P Ammo 80 Grain Barnes TAC-XP Solid Hollow Point Lead Free Box of 20. 28 Reviews. $39.99. Add to Cart. Underwood 380 ACP +P Ammo 90 Grain Hornady XTP Jacketed Hollow Point Box of 20. , This ammunition is new production, non-corrosive, in boxer primed, reloadable nickel plated brass cases. The Xtreme Defender is based on the popular Xtreme Penetrator product line. The XD ammunition has an optimized nose flute, total weight, and velocity to achieve a penetration depth up to 18 inches with a permanent wound cavity (PWC) that is ... , Today we will be testing the Xtreme Defender by Underwood in standard pressure loading using 10 percent Clear Ballistic Gel.If you have any suggestions for r..., .380 EXD SP & +P Video: https://youtu.be/bHo7L7jh0_o9mm EXD SP & +P Video: https://youtu.be/76TNHmoW1eMLCP Max Review: https://youtu.be/iAYQsuABXDwMax-9 Revi..., Underwood Ammo Platinum Edition .380 ACP 68 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 678, MPN: 678, UPC: 816874023683, Code: 40U-LAP-A63845-678 Compare ( 0 ) , The Defender is designed for maximum expansion and wound channel, which I like for the lighter, smaller round. What I used. Underwood ammo is underrated …, The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles. The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to ..., Description. Underwood Xtreme Defender Ammo .380 ACP 65 grain Xtreme Defense was designed for maximum performance and with its optimized nose flute, weight, and velocity it achieves a penetration depth up to 18 inches. Not only will Underwood Xtreme Defense ammunition leave behind a permanent wound cavity that is out of this world, expansion is ..., Description. Underwood Ammo’s Xtreme Defender .380 ACP +P Xtreme Defense is unstoppable, leaving your target dead in its tracks with a permanent wound cavity that is over 100% larger than other expanding bullets. For optimal performance the Underwood Xtreme Defense ammo was CNC machined from solid copper which means this …, My P365-380 has handled every thing I’ve fed it — a wide range of JHP, FMJ, Hornady FTX and the Underwood Xtreme Defender — never a malfunction. Lucky Gunner Labs showed the Hornady FTX load as best combination of expansion and penetration. Penetration is very important with the 380. Underwood makes some …, Apr 25, 2022 · In my opinion I would recommend trying the 68 grain Underwood XD 380 rounds (.380 ACP 68gr. Xtreme Defender Solid Monolithic Hunting & Self Defense Ammo). The lighter bullet means both less recoil and greater energy (as the bullet travels faster and kinetic energy equals 1/2 times mass times velocity squared). , The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth …, Testing some Underwood Platinum Edition 10mm self-defense ammo! Is it better than the standard version? Heavy clothing ballistic gel test using a Glock 20!Jo..., The Xtreme Defender is based on the Xtreme Defense Fluid Transfer Monolithic (FTM®) family of projectiles.The EXD projectile has optimized flute geometry, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous; no expanding hollowpoint comes close to achieving anywhere near this collective volume of wound cavity., We test the 90 grain +P+ Xtreme Defender bullet from Underwood ammo in 10% clear ballistics gel, and compare it against the venerable Speer Gold Dot ammo. Th..., According to underwood the 68gr are higher velocity than the 90gr (1800fps vs 1475fps) and leave a larger wound channel in ballistic gel. However the 90gr do a little better when shooting through heavy barriers such as glass, wood, and sheet metal. I plan to load these rounds in my Sig p365 EDC and my full size night stand pistol., May 7, 2023 · 49 posts · Joined 2018. #3 · May 11, 2023. I just put a couple of boxes of the regular XTreme Defender 68gr through mine yesterday. Same thing, I'm very impressed with it's accuracy and overall controllability. The P365 380 is my new CCW pistol, replacing my 9mm version - both of which I prefer the XTreme Defender round. Cheyenne and Lucnik. , I have seen these rounds several times during the ammo shortage so I figured why not give them a run through the gel test. Impressive results!Join this chann..., I have seen these rounds several times during the ammo shortage so I figured why not give them a run through the gel test. Impressive results!Join this chann..., In NJ & RI: you must email FID + DL before ordering. Description. • Reloadable: Y. • Boxes Per Case: 10. • Cartridges Per Box: 20. • Bullet Weight In Grains: 65 Grains. • Bullet Type: Copper Solid. • Caliber: .380 Auto (9mm Browning Short) 4.7 Based on 11 Reviews., 24K views 1 year ago. Testing out the Underwood Xtreme Defender solid copper defensive ammo in .380, using the Smith & Wesson Performance Center Shield EZ. Are these truly one of the best..., Underwood .380 90gr Xtreme penetrator: the BONE test!!Here I show and shoot the 380 acp Underwood Xtreme Penetrator...although it performed reasonably well f..., This ammo is for cartridge size .380 ACP +P. The bullet is made from Copper. The diameter (caliber) of this bullet is 0.355. This bullet weighs 68 grains. This bullet leaves the barrel at 1400 feet per second. The ammo case is made from Nickel Plated Brass. This ammo is a proven round for hunting., 3. In .380, nothing expands reliably without having inadequate penetration. 4. In .380, LeHigh has 16" penetration and FMJ has 20"+ penetration, while neither expands. THEREFORE: Choosing LeHigh over FMJ to "keep penetration reasonable" is choosing a net decrease in your chances of winning a fight.