Underwood Ammo
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Underwood Ammo — Ammunition (68)
- Handgun Ammunition Add to cart
Underwood 10mm 135 Grain Jacketed Hollow Point delivers 1600 FPS muzzle velocity with consistent performance in nickel-plated brass cases. Reloadable ammunition in 20-round boxes.
$26.00In Stock - Handgun Ammunition Add to cart
Underwood 10mm ammunition delivers 155 grain XTP jacketed hollow point performance in convenient 20-round boxes, with reloadable brass cases for cost-conscious shooters.
$25.00In Stock - Handgun Ammunition Add to cart
Underwood 10mm 180 Grain XTP Jacketed Hollow Point ammunition features reloadable brass cases for cost-effective shooting and reloading. Each box contains 20 rounds of reliable 10mm performance.
$26.00In Stock - Handgun Ammunition Add to cart
Underwood 10mm 220 Grain Hard Cast Lead Flat Nose delivers reliable performance with reloadable cartridges for maximum value. Each box contains 20 rounds engineered for consistent shooting.
$28.00In Stock - Handgun Ammunition Add to cart
Underwood 32 ACP Plus P ammunition delivers Lehigh Defense’s Xtreme Defender 55-grain copper solid bullet at 1050 FPS muzzle velocity. Reloadable rounds offer reliable performance in a compact 20-round box.
$34.00In Stock - Handgun Ammunition Add to cart
Underwood 327 Federal Magnum rounds feature Lehigh Defense Xtreme Defense copper solid bullets delivering 1500 fps muzzle velocity for reliable performance. Reloadable cartridges loaded with 95-grain projectiles in convenient 20-round boxes.
$29.00In Stock - Handgun Ammunition Add to cart
Underwood 357 Magnum 140 Grain Xtreme Penetrator delivers deep, reliable penetration with Copper Solid bullets designed for consistent performance. Reloadable cartridges come in boxes of 20 rounds for convenient restocking.
$46.00In Stock - Handgun Ammunition Add to cart
Underwood 357 Magnum ammunition delivers proven stopping power with 158-grain XTP jacketed hollow point bullets in reloadable cases of 20 rounds.
$26.00In Stock - Handgun Ammunition Add to cart
Underwood 357 Sig 125 Grain FMJ Flat Nose delivers reliable performance in reloadable cartridges, perfect for shooters who handload their own ammunition.
$50.00In Stock - Handgun Ammunition Add to cart
Underwood 38 Special +P delivers a 125-grain jacketed hollow point round in reloadable cartridges, perfect for handloaders seeking practice and defensive loads.
$22.00In Stock - Handgun Ammunition Add to cart
Underwood 38 Special 158 Grain Semi Wadcutter ammunition features a lead semi-wadcutter hollow point with gas check design, and the reloadable brass casings make it economical for handloaders.
$34.00In Stock - Handgun Ammunition Add to cart
Underwood 40 S&W 140 Grain Maximum Expansion uses Lehigh’s advanced hollow-point technology to deliver superior wound channels with controlled expansion in soft tissue. Made in the USA with nickel-plated brass casings and flash-suppressed powder, these 20-round boxes achieve 1050 ft/s muzzle velocity.
$19.00In Stock - Handgun Ammunition Add to cart
Underwood 40 S&W 140 Grain Xtreme Defender ammunition delivers a solid copper bullet design in reloadable brass cases, with 20 rounds per box.
$19.00In Stock - Handgun Ammunition Add to cart
Underwood 40 S&W 180 Grain FMJ delivers 1,000 fps muzzle velocity with flash-suppressed powder for low-light shooting. Loaded in reloadable Boxer-primed brass cases with consistent charges for reliable range and target performance.
$22.00In Stock - Handgun Ammunition Add to cart
Underwood 429 DE 240gr JHP ammunition features reloadable brass cases built to Underwood’s specifications. Each 20-round box delivers consistent jacketed hollow point performance.
$29.00In Stock - Handgun Ammunition Add to cart
Underwood 44 Remington Magnum delivers serious stopping power with a 160-grain Lehigh Defense Xtreme Defense copper solid bullet at 1800 FPS for maximum terminal performance in magnum revolvers. Reloadable rounds make this load economical for dedicated hunters.
$57.00In Stock - Handgun Ammunition Add to cart
Underwood 44 Rem Mag delivers stopping power with a 180gr XTP JHP bullet designed for controlled expansion. Reloadable brass cases make this 20-round box economical for handloaders.
$30.00In Stock - Handgun Ammunition Add to cart
Underwood 44 Magnum delivers potent 300-grain JHP performance in nickel-plated, reloadable cartridges. Built on proven 44 REM MAG design for reliable stopping power.
$32.00In Stock - Handgun Ammunition Add to cart
Underwood 44 S&W Special 245 Grain FMJ ammunition features nickel-plated brass cases for durability and corrosion resistance, with subsonic performance safe for suppressors. New production, non-corrosive boxer-primed reloadable brass delivers 950 fps muzzle velocity.
$57.00In Stock - Handgun Ammunition Add to cart
Underwood 44 S&W Special ammunition features 255-grain lead KEITH-TYPE SEMI WADCUTTER projectiles with gas check for reliable performance. Each box contains 20 reloadable cartridges.
$33.00Low Stock - Handgun Ammunition Add to cart
Underwood 45 ACP +P delivers 230 grain FMJ rounds with reloadable brass cases, ideal for shooters who handload their own ammunition.
$57.00In Stock - Handgun Ammunition Add to cart
Underwood 45 ACP 230 Grain Jacketed Hollow Point ammunition combines reliable performance with reloadable brass for practical handloaders. Each 20-round box delivers consistent quality in a compact format.
$21.00In Stock - Handgun Ammunition Add to cart
Underwood 45 ACP+P ammunition delivers deep, consistent penetration with 200-grain Copper Solid bullets loaded to +P specifications for enhanced performance.
$54.00In Stock - Handgun Ammunition Add to cart
Underwood’s 45 Long Colt +P delivers substantial stopping power with a 325-grain lead flat nose bullet, engineered for maximum performance in revolvers rated for +P pressures. Reloadable cases make this classic cartridge economical for handloaders.
$45.00Low Stock - Handgun Ammunition Add to cart
Underwood 45 Long Colt delivers a 225 grain soft cast hollow point bullet designed for reloaders who handload their own rounds. Each box contains 20 cartridges for consistent, dependable performance.
$37.00In Stock - Handgun Ammunition Add to cart
Underwood 45 Long Colt 300 Grain ammunition pairs Hornady XTP bullets with nickel-plated brass for superior corrosion resistance and reliable feeding. Flash-suppressed powder preserves vision in low-light conditions.
Original price was: $34.00.$32.00Current price is: $32.00. SALEIn Stock - Handgun Ammunition Add to cart
Underwood 454 Casull 240 grain XTP JHP ammunition delivers devastating hollow point performance in reloadable cartridges, packaged 20 rounds per box.
$46.00Low Stock - Handgun Ammunition Add to cart
Underwood 460 Rowland delivers 1575 FPS muzzle velocity with 185-grain Nosler jacketed hollow point bullets in reloadable cartridges.
Original price was: $32.00.$30.00Current price is: $30.00. SALEIn Stock 
Underwood 460 Rowland 230 Grain Jacketed Hollow Point Ammunition 20 Round Box
Underwood AmmoAdd to cartHandgun Ammunition Add to cartUnderwood 460 Rowland 230gr JHP delivers powerful stopping performance with reloadable brass cases. Twenty rounds per box, 10 boxes per case.
Original price was: $33.00.$31.00Current price is: $31.00. SALEIn Stock- Handgun Ammunition Add to cart
Underwood 475 Linebaugh 300 Grain Xtreme Penetrator delivers deep, reliable penetration with solid copper bullet construction at 1600 fps muzzle velocity. Reloadable rounds in 20-count boxes.
$50.00In Stock - Handgun Ammunition Add to cart
Underwood 50 Action Express Xtreme Hunter delivers 1700 FPS muzzle velocity with a 230-grain copper solid bullet engineered for serious stopping power in hunting and defensive applications.
$69.00In Stock Underwood 500 Smith and Wesson Magnum 350 Grain XTP Jacketed Hollow Point Ammunition
Underwood AmmoAdd to cartHandgun Ammunition Add to cartUnderwood 500 S&W Magnum ammunition delivers 350 grain Jacketed Hollow Point bullets in reloadable cases, 20 rounds per box.
$64.00In StockUnderwood 9mm Luger +P+ 124 Grain Jacketed Hollow Point Ammunition 20 Round
Underwood AmmoAdd to cartHandgun Ammunition Add to cartUnderwood 9MM Luger +P+ 124gr JHP ammunition features jacketed hollow point projectiles loaded to +P+ pressure specs for premium performance and reliable expansion. Reloadable nickel-plated brass cases come in 20-round boxes, 10 per case.
$22.00In Stock- Handgun Ammunition Add to cart
Underwood 9mm Luger +P+ 147 Grain FMJ delivers maximum velocity in a reloadable cartridge for serious shooters. Each 50-round box offers premium full metal jacket performance at elevated pressure levels.
$45.00In Stock - Handgun Ammunition Add to cart
Underwood Ammo 297 10mm 180gr Full Metal Jacket delivers over 100% larger permanent wound cavity than expanding bullets, with penetration up to 18 inches even through barriers. 50 rounds per box, 10 boxes per case.
Original price was: $46.00.$38.00Current price is: $38.00. SALEIn Stock - Handgun Ammunition Add to cart
Underwood 10mm delivers serious stopping power with a 200 grain hard cast flat nose projectile at 1250 FPS, ideal for hunting and defense. Nickel plated brass cases are reloadable.
$29.00In Stock - Handgun Ammunition Add to cart
Underwood Ammo 357 Magnum 180 Grain Lead Flat Nose with gas check delivers reliable performance in nickel-plated brass cases. Each box contains 20 rounds optimized for handgun shooting and reloading.
$38.00In Stock - Handgun Ammunition Add to cart
Underwood Ammo 380 ACP +P 90 Grain Jacketed Hollow Point delivers potent self-defense performance in a compact cartridge, featuring nickel-plated brass cases for reliable feeding and reloadability.
Original price was: $39.00.$37.00Current price is: $37.00. SALELow Stock - Handgun Ammunition Add to cart
Underwood Ammo 293 Range Supply 40S&W 180gr Full Metal Jacket 50 Per Box/10 Case
$17.00In Stock - Handgun Ammunition Add to cart
Underwood Ammo’s 50 Action Express 300 Grain Full Metal Jacket ammunition features flash suppressed powder to preserve your vision in low-light shooting. Each box contains 20 rounds for reliable performance.
$40.00In Stock - Handgun Ammunition Add to cart
Underwood Ammo Xtreme Defender 45 ACP +P delivers 135-grain monolithic solid construction at 1335 fps with lead-free, suppressor-safe performance in nickel-plated reloadable brass.
Original price was: $42.00.$37.00Current price is: $37.00. SALEIn Stock Underwood Ammo Xtreme Defense 45 ACP 135 Grain Solid Monolithic Ammunition
Underwood AmmoAdd to cartHandgun Ammunition Add to cartUnderwood Ammo Xtreme Defense 45 ACP delivers a permanent wound cavity over 100% larger than expanding hollow points, with solid copper construction that maintains expansion even after barrier penetration.
$36.00In StockUnderwood Ammo Xtreme Defense Platinum 10mm 115 Grain Solid Monolithic Ammunition
Underwood AmmoAdd to cartHandgun Ammunition Add to cartUnderwood Ammo Xtreme Defense Platinum 10mm delivers up to 18 inches of penetration with a permanent wound cavity exceeding 100% in diameter and volume compared to expanding bullets. Solid copper construction maintains performance even through barriers, paired with nickel-plated brass casings for reliable feeding and superior corrosion resistance.
$37.00Low Stock- Handgun Ammunition Add to cart
Underwood Ammo’s Xtreme Hunter Platinum 10mm delivers lead-free, nickel-plated brass with 150gr copper bullets at 1425 fps for reliable hunting and self-defense performance. Suppressor-safe and reloadable, each box contains 20 rounds of new production, non-corrosive ammunition.
$57.00In Stock - Handgun Ammunition Add to cart
Underwood Xtreme Defender 10mm delivers 115-grain solid copper bullets at 1700 fps with 738 ft lbs of muzzle energy for hunting and self-defense. Boxer-primed, nickel-plated brass cases are reloadable and suppressor-safe.
Original price was: $36.00.$34.00Current price is: $34.00. SALEIn Stock - Handgun Ammunition Add to cart
Underwood Xtreme Penetrator 10mm delivers maximum penetration with a 140-grain solid copper bullet at 1500 fps, engineered for hunting and self-defense. Lead-free, nickel-plated brass, and suppressor-safe.
$42.00In Stock - Rifle Ammunition Add to cart
Underwood 270 Winchester delivers 3200 FPS muzzle velocity with a 127-grain jacketed hollow point designed for controlled expansion, plus reloadable cases for cost-conscious shooters.
$50.00Low Stock - Rifle Ammunition Add to cart
Underwood 30-30 Winchester delivers controlled expansion via 140-grain jacketed hollow point projectiles at 2400 FPS, with reloadable brass for cost-conscious shooters.
$66.00In Stock - Rifle Ammunition Add to cart
Underwood 300 Blackout delivers precision with 220-grain match hollow point boat tail projectiles designed for controlled expansion and aerodynamic performance. Reloadable cartridges offer flexibility for handloaders.
$42.00Low Stock - Rifle Ammunition Add to cart
Underwood 44 Magnum +P+ delivers maximum stopping power with a 340-grain lead flat nose bullet and gas check design. Reloadable cartridges shipped 20 per box for cost-conscious handloaders.
$43.00In Stock - Rifle Ammunition Add to cart
Underwood 44 Rem Mag delivers substantial stopping power with 305-grain lead flat nose bullets in reloadable brass. Ships in convenient 20-round boxes with GA-checked design for reliable feeding.
$42.00In Stock - Rifle Ammunition Add to cart
Underwood 444 Marlin 220 Grain Xtreme Penetrator delivers maximum penetration with a copper solid bullet at 2660 FPS. Engineered for deep, reliable performance in every shot.
$50.00In Stock - Rifle Ammunition Add to cart
Underwood .444 Marlin ammunition pairs a 335-grain lead flat nose projectile with 2120 FPS muzzle velocity, and the reloadable cases are perfect for handloaders.
$40.00In Stock - Rifle Ammunition Add to cart
Underwood 45-70 Government ammunition delivers heavy 430-grain hard cast flat nose bullets at 1550 FPS for powerful, deep-penetrating performance. Reloadable cartridges sold in boxes of 20.
$66.00In Stock - Rifle Ammunition Add to cart
Underwood 450 Bushmaster 300gr JSP delivers 2534 ft lbs of muzzle energy for powerful hunting and self-defense performance. Loaded with reloadable brass cases and non-corrosive primers.
$53.00In Stock - Rifle Ammunition Add to cart
Underwood .458 HAM’R ammunition pairs 300-grain Nosler Ballistic Tip Spitzer projectiles with 2100 FPS velocity for hard-hitting performance. Reloadable cartridges make these practical for handloaders seeking precision and stopping power.
$35.00In Stock - Rifle Ammunition Add to cart
Underwood’s 458 HAM’R 302 grain Xtreme Penetrator delivers deep, reliable penetration with copper solid bullet construction at 2100 FPS muzzle velocity.
$75.00In Stock - Rifle Ammunition Add to cart
Underwood .458 SOCOM subsonic ammunition features 500-grain lead-FN projectiles at 1070 FPS, with reloadable cases for cost-effective shooting.
$56.00In Stock - Rifle Ammunition Add to cart
Underwood 460 S&W Magnum ammunition delivers devastating stopping power with 300-grain XTP JHP bullets and brass casings for reloading.
$59.00Low Stock - Rifle Ammunition Add to cart
Underwood 50 Beowulf 350gr XTP JHP delivers devastating stopping power with Hornady’s proven hollow point design at 1775 FPS. Reloadable brass lets you maximize value from every round.
Original price was: $55.00.$49.00Current price is: $49.00. SALEIn Stock - Rifle Ammunition Add to cart
Underwood’s .50 Beowulf 420 Grain Xtreme Penetrator delivers deep, controlled penetration through a solid copper monolithic design engineered for maximum terminal effect without relying on bullet expansion. The blunt-nose geometry creates hydraulic displacement while maintaining reliable magazine feeding and consistent performance through various barriers.
$54.00In Stock - Rifle Ammunition Add to cart
Underwood Ammo 44 Magnum 220 Grain Solid Monolithic rounds pair signature power with Lehigh Defense’s Xtreme Penetrator bullets, engineered for maximum penetration. Constructed from solid copper with a distinctive nose design, these cartridges deliver consistent, reliable performance.
$59.00In Stock Underwood Ammo 45-70 Government 325 Grain Solid Monolithic Rifle Ammunition
Underwood AmmoAdd to cartRifle Ammunition Add to cartUnderwood Ammo’s Xtreme Hunter 45-70 Government 325 Grain Solid Monolithic delivers permanent wound cavity expansion exceeding 100% larger than conventional expanding bullets with consistent terminal performance even after barrier penetration. Loaded in nickel-plated brass with flash suppressed powder for reliable feeding and low-light performance.
Original price was: $99.00.$88.00Current price is: $88.00. SALEIn Stock- Rifle Ammunition Add to cart
Underwood Ammo’s 450 Bushmaster 360 Grain LFN delivers 2449 ft lbs of muzzle energy with reloadable nickel-plated brass cases. Engineered for hunting and self-defense, this supersonic round is rated safe for suppressors.
$50.00In Stock - Rifle Ammunition Add to cart
Underwood Ammo Hunting Rifle Ammunition .458 SOCOM 300 gr JHP 1900 fps 20/ct
Original price was: $57.00.$51.00Current price is: $51.00. SALEIn Stock - Rifle Ammunition Add to cart
Underwood Ammo 461Underwood Ammo 461 458SOCOM 350gr Full Metal Jacket Flat Nose 20 Per Box/10 Case
$47.00In Stock - Rifle Ammunition Add to cart
Underwood Ammo’s 50 Beowulf 350 Grain FMJ delivers devastating penetration through dense body mass with its flat nose design—engineered for large game and woods defense. New production, non-corrosive, and suppressor-safe at 1775 fps.
Original price was: $41.00.$37.00Current price is: $37.00. SALEIn Stock
