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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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  5. Modern Materiel AR-15 300 BLK Patrol Pistol - 11.75"
    Modern Materiel AR-15 300 BLK Patrol Pistol - 11.75"
    As low as $1,479.00
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  6. Modern Materiel AR-15 300 BLK SBF - 11.75"
    Modern Materiel AR-15 300 BLK SBF - 11.75"
    As low as $1,479.00
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  8. SIG SAUER MCX Rattler 300BLK Pistol - 5.5" (No Brace)
    SIG SAUER MCX Rattler 300BLK Pistol - 5.5" (No Brace)
    $2,499.99
    Out of stock
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  9. Noveske Gen 4 Ghetto Blaster 300BLK 7.94" SBR - Black
    Noveske Gen 4 Ghetto Blaster 300BLK 7.94" SBR - Black
    $3,150.00
    Out of stock
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  10. Ribbons Coming Soon Primary Weapons Systems UXR Elite 300BLK Rifle - 14.5" Pinned
    Primary Weapons Systems UXR Elite 300BLK Rifle - 14.5" Pinned
    $2,499.95
    Out of stock
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  11. Q LLC Honey Badger 300BLK Pistol W/Brace 7"
    Q LLC Honey Badger 300BLK Pistol W/Brace 7"
    $2,899.00
    Out of stock
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  12. Q LLC Sugar Weasel AR-15 300BLK Pistol W/Brace 7"
    Q LLC Sugar Weasel AR-15 300BLK Pistol W/Brace 7"
    $1,699.00
    Out of stock
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  13. Noveske Gen 4 AR-15 SBR - 10.5" Shorty
    Noveske Gen 4 AR-15 SBR - 10.5" Shorty
    Out of stock
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  14. Sig Sauer MCX Spear-LT .300BLK SBR - 9"
    Sig Sauer MCX Spear-LT .300BLK SBR - 9"
    $2,499.99
    Out of stock
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  15. Radical Defense AR-15 MK1 MOD1 300 BLK PDW w/ XPD Suppressor - 6.5"
    Radical Defense AR-15 MK1 MOD1 300 BLK PDW w/ XPD Suppressor - 6.5"
    $1,999.00
    Out of stock
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  16. Radical Defense CS-3 300 BLK Carbine Suppressor w/ KFM Flash Hider - 5/8x24
    Radical Defense CS-3 300 BLK Carbine Suppressor w/ KFM Flash Hider - 5/8x24
    $849.00
    Out of stock
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  1. Caliber 300 Blackout Remove This Item
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Barrel Length
  1. 5.5" 1 item
  2. 6.5" 1 item
  3. 6.75" 1 item
  4. 7" 3 items
  5. 7.94" 1 item
  6. 8" 2 items
  7. 9" 2 items
  8. 10.3" 1 item
  9. 10.5" 1 item
  10. 11.75" 2 items
  11. 14.5" 1 item
Category
  1. Rifles 2 items
  2. NFA 8 items
  3. Pistols 6 items
  4. Other Firearms 3 items
Color
Gas Block Diameter
  1. .750" 4 items
Gas Length
  1. Pistol 2 items
Is Firearms?
  1. Yes 16 items
  2. No 2 items
Magazine Capacity
  1. 10rd 1 item
  2. 30rd 2 items
Manufacturer
  1. Maxim Defense 1 item
  2. Modern Materiel 2 items
  3. Noveske 2 items
  4. Primary Weapon Systems 1 item
  5. Q, LLC 4 items
  6. Radical Defense 3 items
  7. RogueOps 1 item
  8. Sig Sauer 4 items
Model
  1. Sig MCX 3 items
Mount
  1. M-LOK 3 items
  2. Picatinny 1 item
Platform
  1. AR-15 1 item
  2. Sig Sauer 3 items
Price
  1. $0.00 - $999.99 2 items
  2. $1,000.00 - $1,999.99 4 items
  3. $2,000.00 - $2,999.99 11 items
  4. $3,000.00 and above 1 item
Product Type
  1. AR Pistol 5 items
  2. Firearm 4 items
  3. Pistol Caliber Carbine 1 item
  4. Short-Barrel Rifle 6 items
  5. Suppressor 2 items
Rail Length
  1. 6.0" 2 items
  2. 7" 2 items
  3. 7.25" 1 item
Thread Pitch
  1. 5/8x24 8 items
Threaded
  1. Yes 3 items
Twist Rate
  1. 1:5 7 items
  2. 1:6 1 item
  3. 1:7 1 item
  4. 1:8 3 items
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  1. In stock 7 items
  2. Out of stock 11 items
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