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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 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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  2. Centurion Arms MK12 5.56 NATO AR-15 Rifle - 18"
    Centurion Arms MK12 5.56 NATO AR-15 Rifle - 18"
    $1,900.00
    Out of stock
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  3. Lewis Machine & Tool (LMT) MARS-L CQB 5.56 NATO Rifle - 16" ODG
    Lewis Machine & Tool (LMT) MARS-L CQB 5.56 NATO Rifle - 16" ODG
    $2,699.00
    Out of stock
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  4. Sig Sauer MCX Rattler-LT 5.56 NATO Pistol - 7.75"
    Sig Sauer MCX Rattler-LT 5.56 NATO Pistol - 7.75"
    $2,699.99
    Out of stock
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  5. Sig Sauer MCX Rattler-LT 5.56 NATO SBR - 7.75"
    Sig Sauer MCX Rattler-LT 5.56 NATO SBR - 7.75"
    $2,699.99
    Out of stock
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  6. 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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  7. 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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  8. 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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  9. 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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  10. Lewis Machine & Tool (LMT) MARS-L MLC 5.56 NATO SBR - 11.5"
    Lewis Machine & Tool (LMT) MARS-L MLC 5.56 NATO SBR - 11.5"
    $2,399.00
    Out of stock
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Items 17-26 of 26

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Barrel Length
  1. 6.5" 1 item
  2. 7.75" 2 items
  3. 7.94" 2 items
  4. 10.3" 1 item
  5. 10.5" 1 item
  6. 11.5" 2 items
  7. 12.5" 1 item
  8. 13.7" 1 item
  9. 14.5" 3 items
  10. 16" 7 items
  11. 16.1" 1 item
  12. 16.5" 1 item
  13. 18" 1 item
  14. 18.5" 1 item
Caliber
  1. .223 Wylde 1 item
  2. 300 Blackout 1 item
  3. 5.56X45 3 items
  4. 5.56 NATO 20 items
Category
  1. Rifles 15 items
  2. NFA 9 items
  3. Pistols 2 items
  4. Other Firearms 2 items
Color
Finish
  1. Anodize 1 item
Gas Block Diameter
  1. .750" 8 items
Gas Length
  1. Pistol 3 items
  2. Carbine 4 items
  3. Mid 3 items
Inside Diameter
  1. 1.4" 1 item
Is Firearms?
  1. Yes 26 items
Magazine Capacity
  1. 32rd 1 item
Manufacturer
  1. Brügger & Thomet (B&T) 1 item
  2. Centurion Arms 1 item
  3. Daniel Defense 4 items
  4. FNH USA 2 items
  5. Geissele 1 item
  6. Lewis Machine & Tool (LMT) 4 items
  7. Noveske 4 items
  8. Patriot Ordnance Factory (POF) 1 item
  9. Radical Defense 2 items
  10. Sig Sauer 3 items
  11. Sons of Liberty Gun Works 2 items
  12. Springfield Armory 1 item
Model
  1. Sig MCX 1 item
Mount
  1. M-LOK 13 items
  2. Picatinny 2 items
Platform
  1. AR-9 1 item
  2. AR-15 8 items
  3. Sig Sauer 1 item
Price
  1. $0.00 - $9,999.99 25 items
  2. $10,000.00 and above 1 item
Product Type
  1. AR Pistol 1 item
  2. AR-15 Rifle 13 items
  3. Firearm 2 items
  4. Pistol Caliber Carbine 1 item
  5. Short-Barrel Rifle 9 items
Rail Length
  1. 7" 3 items
  2. 9.5" 1 item
  3. 9.75" 1 item
  4. 11.7" 1 item
  5. 12" 1 item
  6. 12.5" 1 item
  7. 13" 1 item
  8. 13.5" 1 item
  9. 14.5" 2 items
  10. 15" 2 items
Thread Pitch
  1. 1/2x28 9 items
  2. 5/8x24 1 item
Threaded
  1. Yes 10 items
  2. No 1 item
Stock Status
  1. Out of stock 26 items Remove This Item
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