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CMMG
CMMG Complete Upper Group Resolute MK4 6.5 Grendel 16.1" - 64BCF88AB
✓ In stock
MSRP: $949.95$746.58 -
CMMG
CMMG Upper Receiver Assembly MK4/AR15 Forward Assist Black - 55BA206AB
✓ In stock
MSRP: $139.95$120.71 -
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CMMG
CMMG Complete Upper Group Resolute MK4 300 Black 16.1" - 30B12BBAB
✓ In stock
MSRP: $949.95$746.58 -
CMMG
CMMG Complete Upper Group Resolute MK4 22ARC 16.1" Black - 28B260CAB
✓ In stock
MSRP: $949.95$746.58 -
CMC Triggers
CMC Triggers AR-15 8-Position Extended Buffer Tube Assembly Kit Length (8P-A5) - 83626
✓ In stock
MSRP: $104.99$97.76 -
CMC Triggers
CMC Triggers Carbine Buffer Tube Kit Mil-Spec 6 Position AR-15 Black 7075-T6 - 81626
✓ In stock
$76.44 -
KINETIC DEVELOPMENT GROUP
Kinetic Development FN SCAR Charging Handle RCH Black - SCP5-020
✓ In stock
MSRP: $64.98$63.31 -
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Carlson
Carlson's Choke Tubes TSS Turkey Long Flush 410 Bore 17-4 Stainless Steel - 38032
✓ In stock
MSRP: $74.50$57.61 -
Daniel Defense
Daniel Defense SoundGuard DT Adapter 5/8-24 Thread Suppressor Mount - 06-140-02404
✓ In stock
MSRP: $96.00$88.00 -
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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