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Parts

Our amazing offer consists of a great variety of AR-10, AR-15, and pistol parts and accessories. Purchase upper receivers, muzzle devices, handguards, BCG, barrels, triggers, magazine extensions, etc., and start modifying your firearm today.

Parts

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  1. Tyrant Designs T-Comp Compensator For Glock Gen 3
    Tyrant Designs T-Comp Compensator For Glock Gen 3
    $80.95
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  2. Tyrant Designs T-Comp Compensator For Glock Gen 4
    Tyrant Designs T-Comp Compensator For Glock Gen 4
    $80.95 - $85.45
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  3. Fortis MFG Match Grade Non-Threaded Barrel For Glock 19 with Lone Rifling
    Fortis MFG Match Grade Non-Threaded Barrel For Glock 19 with Lone Rifling
    $189.95 - $199.95
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  4. L2D Combat Reaction Series Magwell For Glock 19 Gen 3
    L2D Combat Reaction Series Magwell For Glock 19 Gen 3
    $95.00
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  5. Ribbons Free Good L2D Combat Tyton Stripped Slide For Glock 19 Gen 3
    L2D Combat Tyton Stripped Slide For Glock 19 Gen 3
    $299.99 - $427.50
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  6. L2D Combat Precision Match Fluted Barrel For Glock 19
    L2D Combat Precision Match Fluted Barrel For Glock 19
    $149.99
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  8. Tyrant Designs Extended Magazine Release For Glock Gen 3
    Tyrant Designs Extended Magazine Release For Glock Gen 3
    $25.15 - $26.55
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  10. Agency Arms Syndicate Non-Threaded Barrel For Glock 19
    Agency Arms Syndicate Non-Threaded Barrel For Glock 19
    $160.00
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  12. ARC Division Sparc-M V2-G5 Compensator for Glock Gen 5 - 1/2x28
    ARC Division Sparc-M V2-G5 Compensator for Glock Gen 5 - 1/2x28
    $90.99
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Firearm parts

Rainier Arms is the best place to purchase parts and accessories for your rifle or pistol online, and all that for more than affordable prices. Look no further, you can find here everything that comes to your mind and more! The best manufacturers in the business, like Killer Innovations, Lantac, Next Level Armament, Rainier Arms LLC, Apex Tactical Specialties, and many more are here to offer you their high-quality products. Select your preferred part and make your AR-10, AR-15 or pistol a unique piece of firearm.

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  1. Model Glock 19 Remove This Item
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  1. 4.02" 1 item
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  2. 9mm 29 items
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  1. Agency Arms 21 items
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  16. Killer Innovations 12 items
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  18. Lantac 6 items
  19. Magpul Industries 2 items
  20. NIGHT FISION 1 item
  21. Nomad Defense 3 items
  22. Norsso 4 items
  23. Radian Weapons 1 item
  24. Rainier Arms, LLC 1 item
  25. Reptilia Corp 1 item
  26. Swampfox 2 items
  27. Tam Tamography 1 item
  28. Timney Triggers 2 items
  29. Trinity Nevada 3 items
  30. True Precision 3 items
  31. Tyrant Designs 13 items
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  1. Glock 121 items
  2. Sig Sauer 1 item
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  1. $0.00 - $999.99 120 items
  2. $1,000.00 and above 2 items
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  1. Barrel 30 items
  2. Basepad 2 items
  3. Compensator 8 items
  4. Extended Slide Stop 1 item
  5. Guide Rod 3 items
  6. Handgun Sights 1 item
  7. Locking Block 1 item
  8. Magazine Release 2 items
  9. Magwell 10 items
  10. Parts Kit 1 item
  11. Pistol Accessory 3 items
  12. Pistol Part 9 items
  13. Recoil Spring 1 item
  14. Slide 26 items
  15. Slide Parts Kit 2 items
  16. Stabilizer Kit 3 items
  17. Trigger 20 items
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  1. Compact 5 items
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  1. 1/2x28 5 items
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  1. Yes 2 items
  2. No 3 items
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  1. 1:10 9 items
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What are the most common barrel thread patterns for pistols and rifles?

For .22LR, .22MAG, .17HMR, 9mm, and .223/5.56 NATO the most common thread pattern would be 1/2x28, with some exceptions for 9mm and .223/5.56 NATO firearms. As for .308/7.62mm and .338 Lapua Magnum, the thread pattern that is most commonly used is 5/8x24, with a few exceptions. Another typical thread pattern is 9/16x24 and it is mostly used for .40 S&W weapons.

Single triggers or two-stage triggers?

Whichever you choose, you cannot go wrong. The single trigger is fast and simple to use; as soon as you apply a small amount of pressure, the firearm goes off. Two-stage trigger is extremely accurate and you know precisely when the shot is going to be fired. The first stage prepares you for the second one, when the trigger pushes the hammer up causing the firearm to discharge. So, it is up to you to make a choice.

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