Rifle Parts
Whether you're building a new rifle from scratch or looking to upgrade an existing firearm, our vast selection of rifle parts has everything you are going to need in that journey. At Rainier Arms' selection of rifle parts, you can find a wide variety of products including lower and upper parts, trigger parts, muzzle devices, and many more.
Explore our selection of high-quality parts coming from various leading manufacturers like Strike Industries, Magpul, BCM, and many more.
Also, don't forget to check our specially-made Rainier Arms barrels for your firearms.
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- Thread Pitch 1/2x28 (.22 cal) Remove This Item
Barrel Length
Caliber
Category
Finish
Manufacturer
- Advanced Armament Company (AAC) 3 items
- Aero Precision 1 item
- Andro Corp Industries 2 items
- Ballistic Advantage 8 items
- Blackout Defense 1 item
- Bootleg 1 item
- Boss Barrels 2 items
- Bravo Company MFG (BCM) 5 items
- Centurion Arms 2 items
- Christensen Arms 2 items
- Cross Machine Tool (CMT) 1 item
- Daniel Defense 5 items
- Dead Air Armament 3 items
- Faxon Firearms 14 items
- Fortis MFG 1 item
- Forward Controls Design 12 items
- Geissele 4 items
- Griffin Armament 1 item
- HERA ARMS 1 item
- Heresy Design 2 items
- HUXWRX 4 items
- Icon Defense 2 items
- JK Armament 1 item
- JMAC Customs 10 items
- Kinetic Development Group 1 item
- Knight’s Armament Company (KAC) 1 item
- Lantac 3 items
- Mad Pig 1 item
- Maxim Defense 3 items
- NEMO Arms 1 item
- Next Level Armament 2 items
- Noveske 15 items
- Precision Armament 4 items
- Primary Weapon Systems 6 items
- Q, LLC 1 item
- Rainier Arms, LLC 48 items
- Rainier Industries 2 items
- Rex Silentium 1 item
- Rise Armament 1 item
- Sharps Bros 2 items
- Sig Sauer 1 item
- Silencerco 1 item
- Sons of Liberty Gun Works 15 items
- Spinta Precision 1 item
- Surefire 2 items
- Tactical Edge Arms 1 item
- Torrent Suppressors 1 item
- V Seven Weapon Systems 2 items
Product Type
- 10/22 Barrel 2 items
- AR-15 Barrel 90 items
- AR-15 Complete Upper Receiver 11 items
- AR-15 Partial Upper Receiver 11 items
- AR-15 Handguard 1 item
- Compensator 21 items
- Crush Washer 2 items
- Flash Hider 27 items
- Muzzle Brake 33 items
- Muzzle Device Accessory 4 items
- Shim Set 2 items
- Steyr Aug Barrel 2 items
Rail Length
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