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Fail Zero
Fail Zero Bolt Carrier Group 9mm Nickel Boron AR9 BCG - FZ-9MM-BCG
✕ Out of stock
MSRP: $199.99$180.49 -
Shark Coast Tactical
Shark Coast Tactical Black Threaded Barrel G19.5 - SCTG19BTB
✕ Out of stock
$130.66 -
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Bond Arms Inc.
Bond Arms Roughneck Handgun Barrel 357 Magnum/.38 Spl 2.5" Rough and Tumble - RNBL-250-357/38
✕ Out of stock
$109.24 -
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True Precision
True Precision Extended Magazine Release Sig P365 Black - TP-P365FMR-BC
✕ Out of stock
$51.82 -
DEAD AIR SILENCERS
Dead Air KeyMicro Adapter P-Series 17-4 Stainless Steel Black - DA451
✕ Out of stock
$174.86 -
Mission First Tactical
Mission First Tactical AR-15 Ejct Cover Come & Take It - E2AREPDCCAT
✕ Out of stock
$23.48 -
PRIMARY WEAPON SYSTEMS
Primary Weapon Systems A5 Enhanced Buffer Tube A5H2 Spring - EBTA5KIT
✕ Out of stock
MSRP: $169.99$140.66 -
Yankee Hill Machine
Yankee Hill Machine Handguard SLM Mid Length M-LOK - 5325
✕ Out of stock
MSRP: $174.95$136.96 -
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Century Arms
Century Arms Canik Threaded Barrel for TP9 Elite Combat 9mm Luger - PACN0004
✕ Out of stock
$75.58 -
LARUE TACTICAL
LaRue Risr Cheek Riser Glass Reinforced Polymer OD Green AR-15 - LT748-ODG
✕ Out of stock
$61.51 -
Edgar Sherman Design
Edgar Sherman Design Granite Grip Fine FDE - ESD-GRANITE-F-FDE
✕ Out of stock
$70.55 -
Faxon Firearms
Faxon AR-15 Barrel 300 Blackout 9" 1:5 Twist Gunner Profile Black - 15B35P9NGQ-5R-NP3
✕ Out of stock
MSRP: $196.00$169.70 -
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Sims Vibration Laboratories
Sims Vibration Laboratories LimbSaver AR-15/M4 Snap-On Recoil Pad Black - 10019
✕ Out of stock
$48.36 -
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PRIMARY WEAPON SYSTEMS
Primary Weapon Systems Enhanced Steel Body Buffer Carbine H2/308 - EBUFFERH2308
✕ Out of stock
MSRP: $119.95$93.88 -
MDT SPORTING GOODS INC
MDT Chassis CB HNT Kit TIK T3X LA RH CCF - 116132CCF
✕ Out of stock
$1,699.99 -
Armaspec
Armaspec Sound Mitigation Buffer H2 GEN3 Kit 5.6 - ARM268H3
✕ Out of stock
MSRP: $95.99$77.29 -
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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