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Cmmg Inc.
CMMG Barrel and BCG Kit 4140CM SBN Drop in 5.7x28mm 5" Black - 57DBC33
✕ Out of stock
$377.70 -
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SilencerCo
SilencerCo Osprey/Octane Piston 13.5M x 1LH 9mm Stainless Steel - AC26
✕ Out of stock
$75.21 -
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Tactical Solutions
Tactical Solutions X-Ring Barrel 22 LR 16.50" Quicksand Finish Aluminum - 1022TD-QS
✕ Out of stock
$310.52 -
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Fail Zero
Fail Zero Bolt Carrier Group 6.5 Grendel AR-15 - FZ-6.5 GRENDEL 01-NH
✕ Out of stock
MSRP: $189.99$163.40 -
Springfield Armory
Springfield Armory Echelon Grip Small Standard - EC1001-ST-RET
✕ Out of stock
$68.06 -
TROY Industries
Troy GEN2 Socc M-LOK BattleRail Handguard 12.5" Low Profile Black - SRAI-SR1-12BT-G2
✕ Out of stock
$224.73 -
Radian Weapons
Radian Weapons Model 1 Complete Upper 300BLK 9" FDE - R0045
✕ Out of stock
MSRP: $1,829.95$1,614.99 -
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Midwest Industries
Midwest Industries Combat Rail One Piece Free Float M-LOK Handguard 9.25" Black - MI-CRM9.25
✕ Out of stock
$147.37 -
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CARLSON'S
Carlson's Choke Tubes Sporting Clay Remington 12 Gauge Modified Stainless Steel - 13363
✕ Out of stock
$62.10 -
Rearden Manufacturing
Rearden Mfg. Atlas Bravo Gen 2 Thread Adapter 1.375-24 HT - 10255
✕ Out of stock
MSRP: $75.00$63.50
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