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raineirarms

Parts & Kits

At Rainier Arms product selection you can find various rifle parts and kits that will help you build and maintain your firearms. Our selection of rifle parts and kits is carefully curated to ensure that we offer only the best products available.

We work with leading manufacturers on the market including V Seven Weapon Systems, Battle Arms Development, Strike Industries, and more.

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Items 1-16 of 294

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  11. Triggertech AR 45/90 Degree Safety Selector
    Triggertech AR 45/90 Degree Safety Selector
    $57.99 - $62.99
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Shop By
Shopping Options
Barrel Length
  1. 16" 3 items
  2. 18" 5 items
Caliber
  1. .22 Cal 2 items
  2. .223/5.56 1 item
  3. .30 Cal 3 items
  4. .308 2 items
  5. 6.5 Grendel 1 item
  6. 6.8 SPC 1 item
  7. 7.62x51 1 item
  8. 9mm 5 items
Category
  1. Lower Parts Kit 28 items
  2. Upper Parts Kit 1 item
  3. Take Down & Pivot Pins 23 items
  4. Forward Assist 12 items
  5. Port Cover | Rod | Springs 27 items
  6. Other Rifle Parts 148 items
  7. Safety Selectors 55 items
Color
Configuration
  1. 90 Degree 1 item
  2. AR-15 8 items
  3. Cross 1 item
  4. Flaming Pig 1 item
  5. Gen 3 1 item
  6. Ghetto Blaster 1 item
  7. M-LOK 2 items
Finish
  1. Black 3 items
  2. DLC 3 items
  3. NiB-X 4 items
  4. Nitromet 6 items
  5. Anodize 5 items
Gas System Length
  1. Pistol 1 item
  2. Mid 1 item
  3. Intermediate 5 items
Height
  1. Absolute Co-Witness 1 item
Is Firearms?
  1. No 294 items
Manufacturer
  1. Aero Precision 6 items
  2. Aeroknox 1 item
  3. ALG Defense 1 item
  4. Angstadt Arms 1 item
  5. Apex Tactical Specialties 4 items
  6. Armaspec 4 items
  7. Arms Republic 1 item
  8. Ascalon Arms 6 items
  9. B5 Systems 1 item
  10. Battle Arms Development 24 items
  11. Bravo Company MFG (BCM) 2 items
  12. Chisel Machining 1 item
  13. Driven Arms Co. 2 items
  14. Elftmann Tactical 1 item
  15. F-1 Firearms 1 item
  16. Fortis MFG 14 items
  17. Forward Controls Design 37 items
  18. Geissele 6 items
  19. Griffin Armament 2 items
  20. HB Industries 7 items
  21. HERA ARMS 2 items
  22. Heresy Design 1 item
  23. Hiperfire 3 items
  24. HUXWRX 1 item
  25. James Madison Tactical (JMT) 1 item
  26. JK Armament 10 items
  27. JMAC Customs 1 item
  28. JP Enterprises Inc 3 items
  29. Kinetic Development Group 2 items
  30. KNS Precision 8 items
  31. Krebs Customs 5 items
  32. Lantac 3 items
  33. Mad Pig 2 items
  34. Magpul Industries 6 items
  35. Midwest Industries 2 items
  36. NEMO Arms 2 items
  37. Neverwear Springs 1 item
  38. Next Level Armament 4 items
  39. NIGHT FISION 1 item
  40. Noveske 3 items
  41. Odin Works 1 item
  42. Patriot Ordnance Factory (POF) 2 items
  43. Precision Armament 1 item
  44. Primary Weapon Systems 1 item
  45. Q, LLC 1 item
  46. Radian Weapons 1 item
  47. Rainier Arms, LLC 8 items
  48. Rainier Industries 4 items
  49. Rise Armament 1 item
  50. RS Regulate 1 item
  51. Sharps Bros 1 item
  52. Sionics Weapon Systems 1 item
  53. Sons of Liberty Gun Works 2 items
  54. Sprinco (Tactical Springs) 4 items
  55. Springer Precision 1 item
  56. Strike Industries 9 items
  57. Timney Triggers 1 item
  58. Triggertech 1 item
  59. Troy Industries 1 item
  60. TruCalibre 4 items
  61. Tyrant Designs 2 items
  62. Underground Tactical 1 item
  63. V Seven Weapon Systems 31 items
  64. White Label Armory 2 items
  65. WMD Guns 12 items
  66. WOOX 1 item
Model
  1. CZ Bren 1 item
  2. CZ Scorpion 8 items
  3. FNH 509 1 item
  4. Sig MPX 2 items
  5. Springfield Hellcat 1 item
Mount
  1. KeyMod 1 item
  2. Picatinny 6 items
Option
  1. AK-47/74 1 item
  2. AR-10 4 items
  3. AR-15 35 items
  4. Bull's Eye 1 item
  5. Vertical Lines 1 item
  6. Minimal 1 item
  7. White - Standard Power 1 item
  8. Blue - Enhanced Power 1 item
  9. Red - Extra Power 1 item
  10. Orange - Extra Extra Power 1 item
  11. Yellow - Reduced Power 1 item
  12. White/Red - Intermediate Power 1 item
  13. Green - Rifle Length Standard Power 1 item
  14. Remington 700 Short Action BDL 1 item
  15. 1.125-28 TPI 3 Lug/Booster Adaptor 1 item
  16. 1.180-24 TPI 3 Lug/Booster Adaptor 1 item
  17. CZ 5 items
  18. FNH 1 item
  19. Springfield 1 item
  20. Green Laser 1 item
  21. Dimpled 3 items
  22. Serrated 5 items
Platform
  1. AR-10/LR308 1 item
  2. AR-15 18 items
  3. AK47/74 1 item
  4. CZ 8 items
  5. FNH 1 item
  6. Sig Sauer 2 items
  7. Springfield 1 item
Price
  1. $0.00 - $99.99 280 items
  2. $100.00 - $199.99 11 items
  3. $300.00 - $399.99 2 items
  4. $500.00 and above 1 item
Product Type
  1. Accessory 3 items
  2. AK Accessories 1 item
  3. Anti Walk Pins 1 item
  4. Barrel Nut 4 items
  5. Bolt 2 items
  6. Bolt Catch 21 items
  7. Buffer 1 item
  8. Builders Kit 1 item
  9. Cam Pin 1 item
  10. Castle Nut 4 items
  11. Castle Nut / End Plate 8 items
  12. Chassis 1 item
  13. Crush Washer 1 item
  14. Dust Cover 15 items
  15. End Cap 9 items
  16. End Plate 12 items
  17. Failure Resistant Extractor 2 items
  18. Forward Assist 10 items
  19. Forward Assist Spring 1 item
  20. Grip Screw 1 item
  21. Gunsmithing Tool 1 item
  22. Lower Parts Kit 25 items
  23. Magazine Button 1 item
  24. Magazine Catch 10 items
  25. Magazine Release 23 items
  26. Magwell 7 items
  27. Muzzle Device Accessory 1 item
  28. Parts Kit 10 items
  29. Patch 1 item
  30. Pistol Part 1 item
  31. Port Door 5 items
  32. Port Door Rod 6 items
  33. Port Door Spring 1 item
  34. Retainer Pin 2 items
  35. Roll Pin 1 item
  36. Safety Selector 53 items
  37. Shim Set 3 items
  38. Spring 7 items
  39. Stock Accessory 1 item
  40. Take Down / Pivot Pins 24 items
  41. Trigger / Hammer Pins 1 item
  42. Upper Parts Kit 1 item
Rail Length
  1. 10" 1 item
  2. 12" 6 items
  3. 15" 1 item
Size
  1. Medium 1 item
  2. Large 1 item
  3. 9 Slot 6 items
Thread Pitch
  1. 1/2x28 3 items
  2. 5/8x24 3 items
  3. M13.5x1 LH 1 item
Threaded
  1. Yes 1 item
Twist Rate
  1. 1:10 1 item
Stock Status
  1. In stock 209 items
  2. Out of stock 85 items
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