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Fail Zero
Fail Zero Bolt Carrier Group Lightweight 5.56mm AR-15 - FZLWBCG01NH
✓ In stock
MSRP: $234.99$193.52 -
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Odin Works
Odin Works Forend O2 Lite M-LOK 12.5" Black AR-15 - F12ML02
✓ In stock
MSRP: $205.00$168.59 -
Zaffiri Precision
Zaffiri Precision IBS Barrel G19 Gen 5 Stainless - BA-G19G5-CP-SS
✓ In stock
$146.03 -
Faxon Firearms
Faxon AR-15 Barrel 300 Blackout 9" 1:5 Twist Gunner Profile Black - 15B35P9NGQ-5R-NP3
✓ In stock
MSRP: $196.00$172.58 -
Midwest Industries
Midwest Industries Low Profile Micro Gas Block Fits .750 Dia Barrels - MI-MGB-750
✓ In stock
$58.10 -
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Odin Works
Odin Works Buffer Adjustable AR 9mm 5.4oz To 7.4oz S - OSABS9MM
✓ In stock
MSRP: $125.00$114.28 -
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Tacfire Inc.
Tacfire AR-15 Gas Block .936 Bull Barrel Micro Low Pro Steel Black - MAR001S-936
✓ In stock
$16.18 -
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Sims Vibration Laboratories
Sims Vibration Laboratories LimbSaver Nitro Grind-To-Fit Recoil Pad Small Black - 10537
✓ In stock
$72.59 -
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Odin Works
Odin Works Extended Magazine Release Sig MPX Red - ACCMPXMRRED
✓ In stock
MSRP: $59.00$58.69 -
Armaspec
Armaspec SRS-AR10 Recoil Spring 9mm Luger Silver GEN4 - ARM253AR10
✓ In stock
MSRP: $84.99$76.81 -
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Yankee Hill Machine
Yankee Hill Machine Gas Tube Pistol Length Black Plated with Pin - YHMBL04P
✓ In stock
$44.50 -
JEBS Choke Tubes Inc
JEBS Choke Tubes Head Hunter Turkey Ported Tube for 12 Gauge Beretta/Benelli - JPC-12F1/660
✓ In stock
$78.65 -
Midwest Industries
Midwest Industries 308 Combat Rail Handguard Dpms M-LOK 15" Black - MI-CRL308-15
✓ In stock
$178.52
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