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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.

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  13. Angstadt Arms UDP-9 9MM Pistol - 6" Black
    Angstadt Arms UDP-9 9MM Pistol - 6" Black
    Special Price $1,100.00 Regular Price $1,379.00
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Shopping Options
Barrel Length
  1. 2" 3 items
  2. 2.5" 1 item
  3. 3.0" 11 items
  4. 3.1" 17 items
  5. 3.18" 1 item
  6. 3.25" 6 items
  7. 3.27" 1 item
  8. 3.39" 2 items
  9. 3.41" 10 items
  10. 3.43" 1 item
  11. 3.5" 14 items
  12. 3.54" 1 item
  13. 3.6" 5 items
  14. 3.66" 1 item
  15. 3.7" 13 items
  16. 3.75" 2 items
  17. 3.8" 3 items
  18. 3.85" 4 items
  19. 3.9" 41 items
  20. 4" 33 items
  21. 4.01" 1 item
  22. 4.02" 8 items
  23. 4.09" 2 items
  24. 4.1" 1 item
  25. 4.17" 6 items
  26. 4.20" 1 item
  27. 4.25" 51 items
  28. 4.3" 8 items
  29. 4.32" 2 items
  30. 4.37" 1 item
  31. 4.4" 18 items
  32. 4.45" 2 items
  33. 4.46" 1 item
  34. 4.48" 2 items
  35. 4.49" 8 items
  36. 4.5" 19 items
  37. 4.57" 2 items
  38. 4.6" 20 items
  39. 4.61" 1 item
  40. 4.7" 22 items
  41. 4.71" 1 item
  42. 4.78" 1 item
  43. 4.8" 13 items
  44. 4.89" 3 items
  45. 4.9" 4 items
  46. 4.94" 1 item
  47. 5" 93 items
  48. 5.09" 1 item
  49. 5.1" 3 items
  50. 5.19" 2 items
  51. 5.28" 2 items
  52. 5.3" 2 items
  53. 5.31" 2 items
  54. 5.4" 5 items
  55. 5.5" 12 items
  56. 5.51" 1 item
  57. 5.8" 1 item
  58. 5.87" 1 item
  59. 6" 8 items
  60. 6.02" 1 item
  61. 6.5" 3 items
  62. 6.88" 2 items
  63. 7" 5 items
  64. 7.5" 3 items
  65. 7.72" 1 item
  66. 7.75" 3 items
  67. 7.8" 1 item
  68. 7.94" 1 item
  69. 8" 18 items
  70. 8.5" 5 items
  71. 8.9" 1 item
  72. 9" 3 items
  73. 9.25" 3 items
  74. 9.5" 1 item
  75. 9.6" 1 item
  76. 9.75" 2 items
  77. 10" 2 items
  78. 10.3" 9 items
  79. 10.5" 12 items
  80. 11" 4 items
  81. 11.5" 10 items
  82. 11.75" 4 items
  83. 12" 1 item
  84. 12.4" 1 item
  85. 12.5" 5 items
  86. 13" 5 items
  87. 13.7" 6 items
  88. 13.75" 2 items
  89. 13.9" 1 item
  90. 14" 1 item
  91. 14.17" 1 item
  92. 14.3" 1 item
  93. 14.5" 16 items
  94. 15.14" 1 item
  95. 16" 103 items
  96. 16.1" 12 items
  97. 16.17" 1 item
  98. 16.2" 1 item
  99. 16.25" 20 items
  100. 16.3" 3 items
  101. 16.33" 9 items
  102. 16.5" 30 items
  103. 17.4" 2 items
  104. 18" 19 items
  105. 18.43" 1 item
  106. 18.5" 27 items
  107. 18.63" 1 item
  108. 19.1" 3 items
  109. 19.25" 1 item
  110. 19.75" 1 item
  111. 20" 11 items
  112. 20.8" 1 item
  113. 22" 6 items
  114. 24" 10 items
  115. 26" 7 items
  116. 28" 1 item
Barrel Profile
  1. Lightweight 1 item
  2. Non-fluted 4 items
Caliber
  1. .22 ARC 1 item
  2. .22 Cal 4 items
  3. .22 LR 41 items
  4. .22 WMR 1 item
  5. .223/5.56 2 items
  6. .223 Rem 1 item
  7. .223 Wylde 26 items
  8. .30-30 2 items
  9. .30 Cal 13 items
  10. .300 PRC 1 item
  11. .300 Win Mag 2 items
  12. .308 11 items
  13. .308 Win 12 items
  14. .338 1 item
  15. .357 Magnum 26 items
  16. .36 Cal 1 item
  17. .38/.357 Magnum 7 items
  18. .38 Special 2 items
  19. .380 ACP 2 items
  20. .380 Auto 2 items
  21. .40 S&W 3 items
  22. .410 1 item
  23. .44 Magnum 9 items
  24. .45-70 GOVT 1 item
  25. .45 ACP 38 items
  26. .45 Colt 6 items
  27. .46 Cal 1 item
  28. 10mm 13 items
  29. 12 Gauge 39 items
  30. 300 Blackout 23 items
  31. 300 Norma Mag 1 item
  32. 338 Lapua 1 item
  33. 45-70 Gov't 2 items
  34. 50 Cal 1 item
  35. 5.45x39 6 items
  36. 5.56X45 10 items
  37. 5.56 NATO 126 items
  38. 5.56mm 18 items
  39. 5.7x28mm 8 items
  40. 6.5 Creedmoor 14 items
  41. 6.5 PRC 2 items
  42. 6.8x51 3 items
  43. 7.62mm 13 items
  44. 7.62x39 39 items
  45. 7.62x51 13 items
  46. 7mm-08 Rem 1 item
  47. 8.6 Blackout 6 items
  48. 9mm 523 items
Category
  1. Rifles 259 items
  2. Handguns 568 items
  3. Shotgun 38 items
  4. NFA 149 items
  5. Pistols 103 items
  6. Other Firearms 34 items
  7. Complete AR-9s 6 items
Color
Configuration
  1. AR Pistol Caliber 1 item
  2. Gen 3 1 item
  3. Gen 5 1 item
  4. M-LOK 2 items
  5. .750 DIA 1 item
  6. V1 1 item
  7. G34 1 item
  8. P320 1 item
  9. .384 +/- Bolt Face 1 item
  10. .445 +/- Bolt Face 1 item
  11. .470 +/- Bolt Face 1 item
Finish
  1. Black 4 items
  2. Black Anodize 1 item
  3. Black Nitride 1 item
  4. Black Oxide 3 items
  5. Blue 2 items
  6. Cerakote 27 items
  7. DLC 9 items
  8. Nitride 4 items
  9. Smoke 1 item
  10. Stainless Steel 1 item
  11. Anodize 12 items
  12. Clear Hard Anodize 1 item
  13. PVD/CVD 1 item
Gas Block Diameter
  1. .750" 30 items
Gas System Length
  1. Pistol 4 items
  2. Carbine 17 items
  3. Mid 38 items
  4. Intermediate 3 items
  5. Rifle 8 items
Height
  1. Absolute Co-Witness 3 items
Inside Diameter
  1. 1.4" 1 item
  2. 1.5" 1 item
Magazine Capacity
  1. 5rd 3 items
  2. 6rd 3 items
  3. 7rd 3 items
  4. 8rd 5 items
  5. 9rd 1 item
  6. 10rd 8 items
  7. 13rd 1 item
  8. 15rd 7 items
  9. 16rd 3 items
  10. 17rd 16 items
  11. 18rd 2 items
  12. 19rd 5 items
  13. 21rd 2 items
  14. 25rd 1 item
  15. 30rd 9 items
  16. 32rd 1 item
Manufacturer
  1. 21st Tec 8 items
  2. Advanced Armament Company (AAC) 4 items
  3. Aero Precision 4 items
  4. Andro Corp Industries 2 items
  5. Angstadt Arms 3 items
  6. AREX Defense 13 items
  7. Armscor 1 item
  8. Arsenal 8 items
  9. Atlas Gunworks 11 items
  10. Brügger & Thomet (B&T) 16 items
  11. Battle Arms Development 6 items
  12. Benelli 24 items
  13. Beretta 20 items
  14. Black Rain Ordnance 12 items
  15. Bravo Company MFG (BCM) 4 items
  16. Bul Armory 21 items
  17. Canik 7 items
  18. Centurion Arms 1 item
  19. CGS Group 1 item
  20. Chiappa Firearms 9 items
  21. Christensen Arms 3 items
  22. Citadel 1 item
  23. Colt 19 items
  24. CZ-USA 22 items
  25. Dan Wesson 2 items
  26. Daniel Defense 17 items
  27. Danger Close Armament 23 items
  28. Dead Air Armament 7 items
  29. Empire 4 items
  30. F-1 Firearms 3 items
  31. Faxon Firearms 3 items
  32. FNH USA 36 items
  33. FosTecH 2 items
  34. Foxtrot Mike 3 items
  35. Geissele 1 item
  36. Global Ordnance 1 item
  37. Glock 26 items
  38. Grand Power 16 items
  39. Grey Birch MFG 4 items
  40. Grey Ghost Precision 3 items
  41. Griffin Armament 9 items
  42. Grit City Cerakote 1 item
  43. Heckler & Koch 38 items
  44. Henry 10 items
  45. HUXWRX 8 items
  46. IWI 13 items
  47. JK Armament 10 items
  48. JMAC Customs 3 items
  49. JP Enterprises Inc 6 items
  50. Kel-Tec 5 items
  51. Knight’s Armament Company (KAC) 5 items
  52. Korth 1 item
  53. Kriss USA 2 items
  54. Kalashnikov USA 12 items
  55. Laugo Arms 9 items
  56. Lewis Machine & Tool (LMT) 14 items
  57. Lone Wolf Arms 3 items
  58. M+M Industries 2 items
  59. Marlin 6 items
  60. MasterPiece Arms 4 items
  61. Matador Arms 2 items
  62. Maxim Defense 17 items
  63. Military Armament Corp. 1 item
  64. Modern Materiel 7 items
  65. Mossberg 1 item
  66. Next Level Armament 5 items
  67. Nighthawk Custom 42 items
  68. Noveske 11 items
  69. OA Defense 23 items
  70. Odin Works 2 items
  71. Patriot Ordnance Factory (POF) 18 items
  72. Phoenix Trinity 8 items
  73. Polymer80 4 items
  74. Primary Weapon Systems 15 items
  75. Pristine Technologies 1 item
  76. Q, LLC 22 items
  77. Quarter Circle 10 1 item
  78. Radian Weapons 2 items
  79. Radical Defense 19 items
  80. Rainier Arms, LLC 21 items
  81. Remington 3 items
  82. Replicator 3 items
  83. Richmond Tactical 4 items
  84. Riley Defense 14 items
  85. Rise Armament 2 items
  86. RogueOps 3 items
  87. Rossi 8 items
  88. Ruger 4 items
  89. Rugged Suppressor 4 items
  90. Shadow Systems 32 items
  91. Siege Suppressors 1 item
  92. Sig Sauer 131 items
  93. Silencerco 13 items
  94. Sionics Weapon Systems 1 item
  95. Smith & Wesson 4 items
  96. Sons of Liberty Gun Works 3 items
  97. Springfield Armory 18 items
  98. Staccato 47 items
  99. Stealth Arms 4 items
  100. Stoeger 15 items
  101. Surefire 5 items
  102. Taran Tactical Innovations 2 items
  103. Tippmann Arms 13 items
  104. Tisas USA 3 items
  105. Trailblazer Firearms 1 item
  106. Trinity Nevada 3 items
  107. True Precision 3 items
  108. Uberti 3 items
  109. VKTR Industries 4 items
  110. Vudoo Gun Works 8 items
  111. Walther 13 items
  112. Watchtower Firearms 2 items
  113. Wilson Combat 5 items
  114. Wolfpack Armory 2 items
  115. Zenith Firearms 4 items
  116. ZEV Technologies 1 item
Model
  1. Arex Delta 4 items
  2. Beretta 92X 2 items
  3. Beretta APX 1 item
  4. Beretta 1301 2 items
  5. CZ P-09 2 items
  6. CZ P-10 4 items
  7. FNH Five-Seven 1 item
  8. FNH Scar 1 item
  9. Glock 19 1 item
  10. Glock 19X 2 items
  11. Glock 20 1 item
  12. Glock 34 1 item
  13. Glock 43X 2 items
  14. Glock 44 1 item
  15. H&K P30 1 item
  16. H&K VP9 1 item
  17. Sig P220 5 items
  18. Sig P226 6 items
  19. Sig P229 5 items
  20. Sig P320 18 items
  21. Sig P365 8 items
  22. Sig P365X 2 items
  23. Sig P365XL 3 items
  24. Sig P365 X-Macro 2 items
  25. Sig MCX 10 items
  26. S&W M&P M2.0 1 item
  27. Springfield Hellcat 1 item
  28. Staccato 2011 14 items
  29. Stoeger STR-9 2 items
Mount
  1. M-LOK 64 items
  2. Picatinny 34 items
Optic Footprint
  1. DeltaPoint Pro 2 items
  2. Holosun 407K/507K 2 items
  3. Multi Platform 63 items
  4. Shield RMS/SMS 5 items
  5. Shield RMSc 20 items
  6. Sig Sauer Romeo 1 8 items
  7. Springfield Micro 1 item
  8. Trijicon RMR 36 items
Option
  1. AK-47/74 2 items
  2. AR-15 7 items
  3. Manual Safety 1 item
  4. Pistol 2 items
  5. Rifle 1 item
  6. CZ 14 items
  7. FNH 8 items
  8. Glock 20 items
  9. Heckler & Koch 21 items
  10. Sig Sauer 9 items
  11. Springfield 3 items
Platform
  1. 1911 20 items
  2. AR-9 2 items
  3. AR-10/LR308 8 items
  4. AR-15 44 items
  5. AK47/74 14 items
  6. Benelli 4 items
  7. Beretta 12 items
  8. Canik 5 items
  9. CZ 9 items
  10. FNH 9 items
  11. Glock 10 items
  12. H&K 2 items
  13. Remington 1 item
  14. Sig Sauer 68 items
  15. Smith & Wesson 3 items
  16. Springfield 4 items
  17. Staccato 18 items
  18. Stoeger 2 items
  19. Walther 4 items
Price
  1. $0.00 - $9,999.99 1139 items
  2. $10,000.00 and above 1 item
Product Type
  1. AK Pistol 9 items
  2. AK-47/74 Rifle 32 items
  3. AR Pistol 36 items
  4. AR-10 Rifle 24 items
  5. AR-15 Complete Upper Receiver 1 item
  6. AR-15 Rifle 109 items
  7. AR-9 Pistol 2 items
  8. AR-9 Rifle 6 items
  9. Bolt-Action Receiver 2 items
  10. Bolt-Action Rifle 27 items
  11. Complete Upper 1 item
  12. Firearm 62 items
  13. Handguard 6 items
  14. Handgun 563 items
  15. Lever-Action Rifle 22 items
  16. Magazine 1 item
  17. Pistol Caliber Carbine 55 items
  18. Short-Barrel Rifle 30 items
  19. Shotgun 37 items
  20. Suppressor 114 items
Rail Length
  1. 4.5" 2 items
  2. 5.5" 1 item
  3. 6.0" 2 items
  4. 6.7" 1 item
  5. 7" 3 items
  6. 7.25" 1 item
  7. 9" 6 items
  8. 9.5" 2 items
  9. 9.75" 4 items
  10. 10" 1 item
  11. 10.5" 1 item
  12. 10.75" 1 item
  13. 11" 1 item
  14. 11.5" 1 item
  15. 11.7" 1 item
  16. 11.75" 1 item
  17. 12" 7 items
  18. 12.5" 6 items
  19. 13" 5 items
  20. 13.5" 6 items
  21. 13.6" 1 item
  22. 14" 1 item
  23. 14.5" 4 items
  24. 15" 21 items
  25. 15.25" 1 item
  26. 17" 1 item
Reticle
  1. Red Dot 3 items
Reticle Color
Size
  1. 3" 1 item
  2. Micro-Compact 5 items
  3. X-Carry 1 item
  4. X-Compact 2 items
  5. Sub-Compact 7 items
  6. Compact 47 items
  7. Carry 1 item
  8. Full 70 items
  9. Commander 3 items
  10. Government 1 item
Thread Pitch
  1. .578x28 5 items
  2. 1.375-24 1 item
  3. 1/2x28 (9mm) 49 items
  4. 1/2x28 (.22 cal) 95 items
  5. 5/8x24 (.30 cal) 55 items
  6. 9/16x24 2 items
  7. 11/16x24 2 items
  8. 25/32x24LH 1 item
  9. M13.5x1 LH 1 item
  10. M14x1 LH 6 items
  11. M16x1 LH 1 item
  12. M18x1.5 4 items
  13. M24x1.5 RH 6 items
Threaded
  1. Yes 158 items
  2. No 211 items
Twist Rate
  1. 1:3 4 items
  2. 1:5 11 items
  3. 1:6 1 item
  4. 1:7 64 items
  5. 1:7.5 3 items
  6. 1:8 35 items
  7. 1:9 10 items
  8. 1:9.5 4 items
  9. 1:9.8 2 items
  10. 1:10 51 items
  11. 1:11 2 items
  12. 1:11.25 1 item
  13. 1:12 3 items
  14. 1:14 1 item
  15. 1:16 23 items
  16. 1:20 5 items
Stock Status
  1. In stock 544 items
  2. Out of stock 596 items
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