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Geissele Automatics
Geissele Super Modular Rail MK4 Black Picatinny Rifle - 05-278B
✓ In stock
MSRP: $350.00$281.74 -
Magpul Industries
Magpul MOE Carbine Stock Flat Dark Earth Synthetic for AR-15 M16 M4 - MAG400-FDE
✕ Out of stock
$59.16 -
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Phase 5 Weapon Systems
Phase 5 Weapon Systems Extended Bolt Release V3 Black Steel AR-15 - EBRV3
✓ In stock
$58.57 -
Vantage Point Armory
Vantage Point Armory Light-Mounted Compensator Glock Black - 40001
✓ In stock
$61.00 -
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Ultradyne USA
Ultradyne Apollo LR MB 7mm 5/8x24 Muzzle Brake - UD11240
✓ In stock
MSRP: $189.00$174.73 -
Battle Arms Development
Battle Arms Development Thumper MB 22 Cal 1/2x28 Black Muzzle Brake - BAD-THUMPER-223-BN
✓ In stock
MSRP: $73.95$73.94 -
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Battle Arms Development
Battle Arms Development Bad-Ass-Lite Ambidextrous Safety 90/60 Purp - BAD-ASS-LITE-PURP
✓ In stock
$65.59 -
Ballistic Advantage
Ballistic Advantage 6mm ARC 20" Rifle Barrel - BABL6MM003PQ
✓ In stock
MSRP: $275.00$220.12 -
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Geissele Automatics
Geissele Ssa-E Two-Stage Curved Trigger with 2.90-3.80 lb Draw Weight & Finish - 05-160
✓ In stock
MSRP: $250.00$205.13 -
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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