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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. Sig Sauer Custom Works P320 X-FIVE DH3 9mm Pistol
    Sig Sauer Custom Works P320 X-FIVE DH3 9mm Pistol
    $1,299.99
    Out of stock
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  2. Sig Sauer P320 AXG Combat 9mm Pistol (Limited Edition)
    Sig Sauer P320 AXG Combat 9mm Pistol (Limited Edition)
    $1,199.99
    Out of stock
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  3. Sig Sauer MCX SPEAR 7.62X51 Pistol - 13"
    Sig Sauer MCX SPEAR 7.62X51 Pistol - 13"
    $4,099.99
    Out of stock
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  4. Sig Sauer MCX SPEAR 7.62X51 Rifle - 16"
    Sig Sauer MCX SPEAR 7.62X51 Rifle - 16"
    $4,199.99
    Out of stock
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  5. Sig Sauer P320 Spectre Comp Blackout 9mm Pistol - 21rd
    Sig Sauer P320 Spectre Comp Blackout 9mm Pistol - 21rd
    $1,399.99
    Out of stock
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  6. SIG SAUER MPX 9mm Pistol w/ Brace - 4.5" Black
    SIG SAUER MPX 9mm Pistol w/ Brace - 4.5" Black
    $2,099.99
    Out of stock
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  7. Sig Sauer P365 NRA 9MM Pistol - Coyote
    Sig Sauer P365 NRA 9MM Pistol - Coyote
    Special Price $545.59 Regular Price $619.99
    Out of stock
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  8. Sig Sauer P365 Pistol Nitron w/ Manual Safety - 9MM
    Sig Sauer P365 Pistol Nitron w/ Manual Safety - 9MM
    $499.99
    Out of stock
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  9. Sig Sauer TREAD M400 AR-15 5.56 NATO Rifle - 16"
    Sig Sauer TREAD M400 AR-15 5.56 NATO Rifle - 16"
    $849.99
    Out of stock
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  10. Sig Sauer MPX Competition 9MM PCC Rifle – 16”
    Sig Sauer MPX Competition 9MM PCC Rifle – 16”
    $1,999.99
    Out of stock
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  11. Sig Sauer P320 Pistol X-Compact 9mm Pistol - 10rd
    Sig Sauer P320 Pistol X-Compact 9mm Pistol - 10rd
    $699.99
    Out of stock
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  12. Sig Sauer Cross-PRS .308 Rifle - 24" Elite Concrete
    Sig Sauer Cross-PRS .308 Rifle - 24" Elite Concrete
    $2,499.99
    Out of stock
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  13. Sig Sauer P365 X-Macro Comp 9mm Pistol
    Sig Sauer P365 X-Macro Comp 9mm Pistol
    $819.99
    Out of stock
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  15. 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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  16. Sig Sauer MCX Spear-LT .300BLK Pistol - 9"
    Sig Sauer MCX Spear-LT .300BLK Pistol - 9"
    $2,499.99
    Out of stock
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Barrel Length
  1. 3.1" 11 items
  2. 3.5" 1 item
  3. 3.6" 3 items
  4. 3.7" 5 items
  5. 3.8" 1 item
  6. 3.9" 11 items
  7. 4" 4 items
  8. 4.1" 1 item
  9. 4.3" 3 items
  10. 4.4" 9 items
  11. 4.5" 2 items
  12. 4.6" 4 items
  13. 4.7" 9 items
  14. 4.9" 1 item
  15. 5" 12 items
  16. 5.5" 1 item
  17. 6.5" 1 item
  18. 7.75" 3 items
  19. 9" 3 items
  20. 11.5" 8 items
  21. 13" 3 items
  22. 16" 15 items
  23. 18" 1 item
  24. 20" 1 item
  25. 24" 3 items
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .22 LR 4 items
  2. .300 Win Mag 1 item
  3. .308 3 items
  4. .308 Win 2 items
  5. .380 ACP 1 item
  6. .380 Auto 2 items
  7. .45 ACP 6 items
  8. 10mm 5 items
  9. 300 Blackout 5 items
  10. 5.56 NATO 14 items
  11. 6.5 Creedmoor 2 items
  12. 6.8x51 3 items
  13. 7.62x39 6 items
  14. 7.62x51 3 items
  15. 9mm 70 items
Category
  1. Rifles 20 items
  2. Handguns 88 items
  3. NFA 7 items
  4. Pistols 17 items
Color
Finish
  1. Cerakote 2 items
  2. Anodize 2 items
Gas System Length
  1. Mid 3 items
Magazine Capacity
  1. 15rd 2 items
  2. 17rd 3 items
  3. 21rd 2 items
Model
  1. Sig P220 5 items
  2. Sig P226 6 items
  3. Sig P229 5 items
  4. Sig P320 13 items
  5. Sig P365 7 items
  6. Sig P365X 2 items
  7. Sig P365XL 2 items
  8. Sig P365 X-Macro 2 items
  9. Sig MCX 10 items
Mount
  1. M-LOK 21 items
  2. Picatinny 6 items
Optic Footprint
  1. DeltaPoint Pro 2 items
  2. Multi Platform 3 items
  3. Shield RMS/SMS 2 items
  4. Shield RMSc 7 items
  5. Sig Sauer Romeo 1 8 items
  6. Trijicon RMR 1 item
Platform
  1. AR-9 1 item
  2. AR-15 4 items
  3. Sig Sauer 62 items
Price
  1. $0.00 - $999.99 53 items
  2. $1,000.00 - $1,999.99 46 items
  3. $2,000.00 - $2,999.99 27 items
  4. $4,000.00 and above 5 items
Product Type
  1. AR Pistol 12 items
  2. AR-10 Rifle 4 items
  3. AR-15 Rifle 8 items
  4. AR-9 Rifle 1 item
  5. Bolt-Action Rifle 7 items
  6. Firearm 1 item
  7. Handgun 88 items
  8. Pistol Caliber Carbine 4 items
  9. Short-Barrel Rifle 5 items
  10. Suppressor 1 item
Rail Length
  1. 11.5" 1 item
Reticle
  1. Red Dot 2 items
Reticle Color
Size
  1. 3" 1 item
  2. Micro-Compact 2 items
  3. X-Carry 1 item
  4. Compact 5 items
  5. Full 12 items
Thread Pitch
  1. 1/2x28 (9mm) 3 items
  2. 1/2x28 (.22 cal) 6 items
  3. 5/8x24 (.30 cal) 18 items
Threaded
  1. Yes 16 items
  2. No 47 items
Twist Rate
  1. 1:5 5 items
  2. 1:7 9 items
  3. 1:8 5 items
  4. 1:9 1 item
  5. 1:9.5 4 items
  6. 1:10 6 items
Stock Status
  1. In stock 59 items
  2. Out of stock 72 items
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