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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. Daniel Defense M4A1 SOCOM 5.56 NATO Rifle - 14.5"
    Daniel Defense M4A1 SOCOM 5.56 NATO Rifle - 14.5"
    $2,236.00
    Out of stock
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  2. Sons of Liberty Gun Works M4-EXO3 .223 Wylde Match Rifle - 16"
    Sons of Liberty Gun Works M4-EXO3 .223 Wylde Match Rifle - 16"
    $1,567.50
    Out of stock
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  3. Lewis Machine & Tool (LMT) MARS-L 5.56 MRP Rifle - 16"
    Lewis Machine & Tool (LMT) MARS-L 5.56 MRP Rifle - 16"
    $2,474.10
    Out of stock
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  4. 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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  5. Radical Defense AR-15 MK1 MOD1 5.56 NATO PDW w/ XPD Suppressor - 6.5"
    Radical Defense AR-15 MK1 MOD1 5.56 NATO PDW w/ XPD Suppressor - 6.5"
    $1,999.00
    Out of stock
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  6. Radical Defense MK1 MOD1 CQC 556 NATO SBR - 12.5"
    Radical Defense MK1 MOD1 CQC 556 NATO SBR - 12.5"
    $1,299.00
    Out of stock
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  7. Sig Sauer Custom Works MCX Spear-LT 5.56 NATO Pistol - 11.5" (Multicam)
    Sig Sauer Custom Works MCX Spear-LT 5.56 NATO Pistol - 11.5" (Multicam)
    $2,999.99
    Out of stock
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  8. Geissele Super Duty MOD1 5.56 NATO Rifle - 16" Black
    Geissele Super Duty MOD1 5.56 NATO Rifle - 16" Black
    $1,995.00
    Out of stock
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  9. 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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Items 17-25 of 25

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Barrel Length
  1. 6.5" 1 item
  2. 7.75" 2 items
  3. 7.94" 2 items
  4. 10.5" 1 item
  5. 11.5" 3 items
  6. 12.5" 1 item
  7. 14.5" 3 items
  8. 16" 7 items
  9. 16.1" 1 item
  10. 16.5" 1 item
  11. 18.43" 1 item
  12. 18.5" 1 item
Caliber
  1. .223 Wylde 1 item
  2. 300 Blackout 1 item
  3. 5.56X45 4 items
  4. 5.56 NATO 19 items
Category
  1. Rifles 14 items
  2. NFA 8 items
  3. Pistols 3 items
  4. Other Firearms 3 items
Color
Gas Block Diameter
  1. .750" 7 items
Gas System Length
  1. Pistol 3 items
  2. Carbine 3 items
  3. Mid 3 items
Is Firearms?
  1. Yes 25 items
Magazine Capacity
  1. 32rd 1 item
Manufacturer
  1. Brügger & Thomet (B&T) 1 item
  2. Daniel Defense 3 items
  3. FNH USA 3 items
  4. Geissele 1 item
  5. Lewis Machine & Tool (LMT) 4 items
  6. Noveske 4 items
  7. Patriot Ordnance Factory (POF) 1 item
  8. Radical Defense 2 items
  9. Sig Sauer 4 items
  10. Sons of Liberty Gun Works 1 item
  11. Springfield Armory 1 item
Model
  1. Sig MCX 2 items
Mount
  1. M-LOK 13 items
  2. Picatinny 1 item
Platform
  1. AR-9 1 item
  2. AR-15 8 items
  3. Sig Sauer 2 items
Price
  1. $0.00 - $9,999.99 24 items
  2. $10,000.00 and above 1 item
Product Type
  1. AR Pistol 2 items
  2. AR-15 Rifle 11 items
  3. Firearm 3 items
  4. Pistol Caliber Carbine 1 item
  5. Short-Barrel Rifle 8 items
Rail Length
  1. 7" 3 items
  2. 9.75" 1 item
  3. 11.7" 1 item
  4. 12.5" 1 item
  5. 13.5" 1 item
  6. 14.5" 2 items
  7. 15" 2 items
Thread Pitch
  1. 1/2x28 8 items
  2. 5/8x24 1 item
Threaded
  1. Yes 9 items
  2. No 1 item
Stock Status
  1. Out of stock 25 items Remove This Item
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