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American Built Arms Company
American Built Arms AB Stock Urban Sniper MIL-Spec/Commerical AR-15 FDE - ABAUSSDE
✓ In stock
MSRP: $99.99$90.67 -
Odin Works
Odin Works XMR 3 Extended Magazine Release Flat Dark Earth 6061 Aluminum - ACCXMR3FDE
✓ In stock
$40.00 -
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PRIMARY WEAPON SYSTEMS
Primary Weapon Systems MK118 Mod 1-M Upper 6mm ARC 18 LS Threaded - MK1M1U6ARC18NC
✓ In stock
MSRP: $1,299.95$1,002.33 -
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Springfield
Springfield Armory Muzzle Brake M1A Kit California Legal - MA5050
✓ In stock
MSRP: $95.99$77.80 -
Midwest Industries
Midwest Industries Shotgun Stock Beretta 1301 Pistol Grip Black - MI-SG-1301
✓ In stock
MSRP: $310.00$266.55 -
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FAB DEFENSE INC.
FAB Defense Amp Pistol Conversion Kit for Glock 17/19 FDE - FX-AMP-10A1T
✓ In stock
$144.87 -
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FAB DEFENSE INC.
FAB Defense AG-43 Tactical Ergonomic Pistol Grip for AR-15/ M16/ M4 Flat Dark - FX-AG43T
✓ In stock
$40.98 -
PROOF RESEARCH
PROOF Research CF Bolt Blank 6mm Creedmoor 24 Bighorn 1-7.5 Barrel - 113028
✓ In stock
MSRP: $1,149.00$879.50 -
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Great Lakes Firearms & Ammo
Great Lakes Firearms & Ammo & Glfa Gas Tube Kit Mid-Length For AR-15 - MLGT
✓ In stock
$24.90 -
Hogue Inc.
Hogue HandALL Beavertail Grip Sleeve S&W M&P Shield 45 Kahr P9/P40/CW9/CW40 FDE - 18303
✓ In stock
$16.11 -
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Volquartsen Custom
Volquartsen Custom Drop-In Replacement Trigger Group for Ruger 10/22 and 22 - VCTP-1-S-10
✓ In stock
$279.00 -
Wilson Combat
Wilson Combat Grip Module for P365 XL Manual Safety Black - 365XL-MB
✓ In stock
$70.69
Gun Parts
Upgrade, repair or build with barrels, triggers, stocks, grips, handguards, muzzle devices and replacement parts. We list over 14,800 gun parts from Magpul, Hogue and Strike.
Getting the right fit
Fit is everything with gun parts. Match the exact make, model and generation of your firearm, since a Glock 19 Gen 3 and Gen 5 do not share every part, and AR-15 parts can differ between mil-spec and commercial dimensions.
Barrels and muzzle devices also need the right thread pitch. For triggers and internal parts, a qualified gunsmith install is the safest route if you are not comfortable doing it yourself.
Gun Parts FAQ
How do I know a part fits my gun?
Check the product title and specifications for your exact model and generation. If a listing covers a range of models, confirm yours is on the list before ordering.
What thread pitch do I need for a muzzle device?
Check your barrel. Most 5.56 and 9mm barrels use 1/2x28 and most .30 caliber barrels use 5/8x24, but confirm the thread on your barrel or in your owner's manual before you order.
Shop related: AR-15 Parts · Magazines · Scope Mounts & Rings · Gun Care