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Firearms

Rainier Arms provide a large choice of rifles, shotguns, handguns, Bolt Action, AK rifles, and AR pistols. Find, compare, and shop your favorite. In our offer, you can find firearms from manufacturers like Daniel Defense, Kalashnikov USA, Nighthawk Custom, and many many more. In case you run out of ammo, you can browse and purchase ammo for your firearm.

Firearms
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  1. Caliber 5.56 NATO Remove This Item
  2. Price $0.00 - $9,999.99 Remove This Item
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Barrel Length
  1. 5.5" 1 item
  2. 7.75" 1 item
  3. 8" 1 item
  4. 10" 1 item
  5. 10.3" 4 items
  6. 10.5" 8 items
  7. 11.5" 4 items
  8. 11.75" 2 items
  9. 12.5" 1 item
  10. 13" 1 item
  11. 13.7" 3 items
  12. 13.75" 1 item
  13. 14.3" 1 item
  14. 14.5" 4 items
  15. 16" 31 items
  16. 16.25" 1 item
  17. 16.5" 2 items
  18. 18" 2 items
Barrel Profile
  1. Non-fluted 1 item
Category
  1. Rifles 48 items
  2. NFA 15 items
  3. Pistols 11 items
  4. Other Firearms 2 items
Color
Configuration
  1. M-LOK 1 item
Finish
  1. Black Anodize 1 item
  2. Cerakote 4 items
  3. Anodize 1 item
Gas Block Diameter
  1. .750" 13 items
Gas System Length
  1. Pistol 1 item
  2. Carbine 8 items
  3. Mid 11 items
  4. Intermediate 1 item
  5. Rifle 3 items
Height
  1. Absolute Co-Witness 1 item
Inside Diameter
  1. 1.4" 1 item
Magazine Capacity
  1. 30rd 5 items
Manufacturer
  1. Andro Corp Industries 2 items
  2. Battle Arms Development 1 item
  3. Black Rain Ordnance 5 items
  4. Bravo Company MFG (BCM) 1 item
  5. Centurion Arms 1 item
  6. Daniel Defense 4 items
  7. F-1 Firearms 2 items
  8. FNH USA 1 item
  9. Global Ordnance 1 item
  10. Heckler & Koch 1 item
  11. HUXWRX 2 items
  12. IWI 1 item
  13. Knight’s Armament Company (KAC) 1 item
  14. Lewis Machine & Tool (LMT) 8 items
  15. Maxim Defense 4 items
  16. Modern Materiel 5 items
  17. Next Level Armament 1 item
  18. Noveske 5 items
  19. Patriot Ordnance Factory (POF) 6 items
  20. Primary Weapon Systems 1 item
  21. Q, LLC 3 items
  22. Radical Defense 2 items
  23. Rainier Arms, LLC 1 item
  24. RogueOps 2 items
  25. Sig Sauer 9 items
  26. Sons of Liberty Gun Works 1 item
  27. VKTR Industries 2 items
  28. Wolfpack Armory 1 item
  29. ZEV Technologies 1 item
Model
  1. Sig MCX 2 items
Mount
  1. M-LOK 18 items
  2. Picatinny 3 items
Option
  1. AR-15 5 items
Platform
  1. AR-15 20 items
  2. Sig Sauer 2 items
Product Type
  1. AR Pistol 11 items
  2. AR-15 Rifle 43 items
  3. Complete Upper 1 item
  4. Firearm 6 items
  5. Short-Barrel Rifle 10 items
  6. Suppressor 4 items
Rail Length
  1. 9" 1 item
  2. 9.75" 3 items
  3. 12" 2 items
  4. 13" 2 items
  5. 13.5" 4 items
  6. 14.5" 1 item
  7. 15" 6 items
Thread Pitch
  1. 1.375-24 1 item
  2. 1/2x28 (.22 cal) 27 items
  3. 5/8x24 (.30 cal) 1 item
Threaded
  1. Yes 15 items
  2. No 2 items
Twist Rate
  1. 1:5 1 item
  2. 1:7 25 items
  3. 1:8 12 items
Stock Status
  1. In stock 75 items Remove This Item
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