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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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  4. FN America M249S 5.56x45mm NATO Standard Rifle - 18.5" Black
    FN America M249S 5.56x45mm NATO Standard Rifle - 18.5" Black
    $9,799.00
    Out of stock
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  5. FN America M249S 5.56x45mm NATO Para Rifle - 16.1" FDE
    FN America M249S 5.56x45mm NATO Para Rifle - 16.1" FDE
    $10,499.00
    Out of stock
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  6. Daniel Defense MK18 5.56 NATO SBR - 10.3" Milspec+ Brown
    Daniel Defense MK18 5.56 NATO SBR - 10.3" Milspec+ Brown
    $2,346.00
    Out of stock
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  8. Brugger & Thomet (B&T) APC223 Pro 5.56 NATO Pistol - 10.5"
    Brugger & Thomet (B&T) APC223 Pro 5.56 NATO Pistol - 10.5"
    $3,300.00
    Out of stock
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  9. Noveske Gen 4 Shorty 5.56 NATO SBR - 10.5" Sniper Grey
    Noveske Gen 4 Shorty 5.56 NATO SBR - 10.5" Sniper Grey
    $3,299.95
    Out of stock
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  10. Sig Sauer MCX Spear-LT 5.56 NATO SBR - 11"
    Sig Sauer MCX Spear-LT 5.56 NATO SBR - 11"
    $2,499.99
    Out of stock
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  11. Daniel Defense DD4 RIII 5.56 Rifle - 16" Black
    Daniel Defense DD4 RIII 5.56 Rifle - 16" Black
    $2,394.00
    Out of stock
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  12. Daniel Defense DD4 M4A1RIII 5.56 Rifle - 14.5" (Pinned)
    Daniel Defense DD4 M4A1RIII 5.56 Rifle - 14.5" (Pinned)
    $2,394.00
    Out of stock
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  14. Rainier Arms RUC PRO 5.56 Nato DI Rifle - 16"
    Rainier Arms RUC PRO 5.56 Nato DI Rifle - 16"
    $1,400.00
    Out of stock
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  15. Daniel Defense DD4 MK18RIII 5.56 SBR - 10.3" Black
    Daniel Defense DD4 MK18RIII 5.56 SBR - 10.3" Black
    $2,307.00
    Out of stock
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Barrel Length
  1. 6.5" 1 item
  2. 7.75" 2 items
  3. 7.94" 1 item
  4. 10.3" 3 items
  5. 10.5" 9 items
  6. 11.5" 4 items
  7. 12.5" 2 items
  8. 13" 2 items
  9. 13.7" 1 item
  10. 14.5" 5 items
  11. 16" 23 items
  12. 16.1" 1 item
  13. 16.5" 2 items
  14. 18" 3 items
  15. 18.43" 1 item
  16. 18.5" 1 item
  17. 20" 1 item
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .22 ARC 1 item
  2. .223 Wylde 4 items
  3. 300 Blackout 1 item
  4. 5.45x39 1 item
  5. 5.56X45 5 items
  6. 5.56 NATO 48 items
  7. 6.5 Creedmoor 1 item
  8. 6.8x51 2 items
Category
  1. Rifles 40 items
  2. NFA 17 items
  3. Pistols 8 items
  4. Other Firearms 4 items
Color
Finish
  1. Cerakote 3 items
  2. Anodize 2 items
Gas Block Diameter
  1. .750" 13 items
Gas System Length
  1. Pistol 2 items
  2. Carbine 13 items
  3. Mid 10 items
  4. Intermediate 1 item
  5. Rifle 2 items
Height
  1. Absolute Co-Witness 1 item
Inside Diameter
  1. 1.4" 1 item
Magazine Capacity
  1. 10rd 1 item
  2. 30rd 3 items
  3. 32rd 1 item
Manufacturer
  1. Brügger & Thomet (B&T) 1 item
  2. Battle Arms Development 2 items
  3. Centurion Arms 1 item
  4. Christensen Arms 1 item
  5. Daniel Defense 10 items
  6. FNH USA 4 items
  7. Geissele 1 item
  8. Global Ordnance 1 item
  9. IWI 1 item
  10. Lewis Machine & Tool (LMT) 9 items
  11. Noveske 7 items
  12. Patriot Ordnance Factory (POF) 2 items
  13. Q, LLC 2 items
  14. Radical Defense 4 items
  15. Rainier Arms, LLC 2 items
  16. Rise Armament 1 item
  17. RogueOps 1 item
  18. Sig Sauer 9 items
  19. Sons of Liberty Gun Works 2 items
  20. Springfield Armory 1 item
  21. Wolfpack Armory 1 item
Model
  1. Sig MCX 4 items
Mount
  1. M-LOK 25 items
  2. Picatinny 4 items
Option
  1. AR-15 2 items
Platform
  1. AR-9 1 item
  2. AR-15 20 items
  3. Sig Sauer 5 items
Price
  1. $0.00 - $9,999.99 62 items
  2. $10,000.00 and above 1 item
Product Type
  1. AR Pistol 6 items
  2. AR-10 Rifle 1 item
  3. AR-15 Rifle 29 items
  4. Bolt-Action Rifle 2 items
  5. Firearm 8 items
  6. Pistol Caliber Carbine 1 item
  7. Short-Barrel Rifle 16 items
Rail Length
  1. 7" 2 items
  2. 9" 1 item
  3. 9.5" 2 items
  4. 9.75" 4 items
  5. 11.7" 1 item
  6. 12" 2 items
  7. 12.5" 2 items
  8. 13" 1 item
  9. 13.5" 1 item
  10. 14.5" 2 items
  11. 15" 7 items
  12. 15.25" 1 item
Thread Pitch
  1. 1/2x28 (.22 cal) 31 items
  2. 5/8x24 (.30 cal) 4 items
Threaded
  1. Yes 23 items
  2. No 2 items
Stock Status
  1. In stock 34 items
  2. Out of stock 29 items
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