Pursue Your Passion
My Cart

Rainier Arms on Instagram

Menu
Account
raineirarms

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.

View as Grid List

Items 65-67 of 67

Page
per page
  1. Q LLC Cherry Bomb Muzzle Brake 8.6BLK - 5/8x24
    Q LLC Cherry Bomb Muzzle Brake 8.6BLK - 5/8x24
    $90.00
    Out of stock
    Add to Wish List Add to Compare
  2. Q LLC Cherry Bomb Muzzle Brake
    Q LLC Cherry Bomb Muzzle Brake
    Out of stock
    Add to Wish List Add to Compare
View as Grid List

Items 65-67 of 67

Page
per page
Shop By
Now Shopping by
  1. Threaded Yes Remove This Item
Clear All
Shopping Options
Barrel Length
  1. 8" 1 item
  2. 8.3" 2 items
  3. 10.3" 1 item
  4. 10.5" 7 items
  5. 10.7" 1 item
  6. 11.5" 3 items
  7. 11.85" 1 item
  8. 12" 1 item
  9. 12.5" 3 items
  10. 13.7" 3 items
  11. 13.9" 1 item
  12. 14.5" 2 items
  13. 16" 8 items
  14. 18" 2 items
  15. 20" 1 item
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .22 ARC 1 item
  2. .223/5.56 3 items
  3. .223 Wylde 2 items
  4. .30 Cal 1 item
  5. .308 3 items
  6. .308 Win 1 item
  7. 300 Blackout 3 items
  8. 5.56 NATO 19 items
  9. 7.62mm 4 items
  10. 7.62x39 1 item
  11. 8.6 Blackout 2 items
  12. 9mm 9 items
Category
  1. Receiver Parts 29 items
  2. Parts & Kits 1 item
  3. Barrels 1 item
  4. Muzzle Devices 36 items
  5. MILSPEC Parts 1 item
Color
Gas Block Diameter
  1. .750" 15 items
Gas System Length
  1. Pistol 1 item
  2. Carbine 8 items
  3. Mid 9 items
  4. Rifle 1 item
Manufacturer
  1. Aero Precision 1 item
  2. Angstadt Arms 2 items
  3. Blackout Defense 1 item
  4. Bootleg 1 item
  5. Centurion Arms 1 item
  6. Dead Air Armament 2 items
  7. Dead Foot Arms LLC 2 items
  8. Fortis MFG 1 item
  9. Forward Controls Design 11 items
  10. HUXWRX 4 items
  11. JK Armament 1 item
  12. JMAC Customs 5 items
  13. Lantac 1 item
  14. Lewis Machine & Tool (LMT) 1 item
  15. Mad Pig 1 item
  16. Matador Arms 1 item
  17. Maxim Defense 1 item
  18. Noveske 5 items
  19. Primary Weapon Systems 3 items
  20. Q, LLC 4 items
  21. Rainier Arms, LLC 6 items
  22. Rise Armament 1 item
  23. Sharps Bros 1 item
  24. Sig Sauer 1 item
  25. Sons of Liberty Gun Works 8 items
Mount
  1. M-LOK 13 items
Option
  1. MCS 2 items
  2. Full Size 2 items
Platform
  1. AR-10/LR308 2 items
  2. AR-15 13 items
Price
  1. $0.00 - $999.99 61 items
  2. $1,000.00 and above 6 items
Product Type
  1. AR-10/LR308 Barrel 1 item
  2. AR-15 Complete Upper Receiver 10 items
  3. AR-15 Partial Upper Receiver 13 items
  4. AR-15 Handguard 1 item
  5. AR-9 Upper Receiver 1 item
  6. Compensator 6 items
  7. Complete Upper 4 items
  8. Flash Hider 11 items
  9. Muzzle Brake 18 items
  10. Muzzle Device Accessory 1 item
  11. Parts Kit 1 item
Rail Length
  1. 9.2" 1 item
  2. 9.5" 3 items
  3. 9.55" 3 items
  4. 9.75" 1 item
  5. 10.7" 2 items
  6. 11" 2 items
  7. 11.7" 2 items
  8. 13" 1 item
  9. 13.7" 1 item
  10. 15" 9 items
  11. 15.25" 1 item
Thread Pitch
  1. 1.375-24 1 item
  2. 1/2x28 (9mm) 7 items
  3. 1/2x28 (.22 cal) 40 items
  4. 1/2x36 2 items
  5. 5/8x24 (.30 cal) 20 items
  6. M13.5x1 LH 2 items
  7. M14x1 LH 1 item
Twist Rate
  1. 1:7 17 items
  2. 1:8 1 item
  3. 1:10 4 items
Stock Status
  1. In stock 42 items
  2. Out of stock 25 items
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
Google Customer Reviews Google Customer Reviews