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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. Shalotek Sig Sauer P365XXL LCI Fluted Barrel
    Shalotek Sig Sauer P365XXL LCI Fluted Barrel
    $114.00
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  5. True Precision SIG Sauer P365XL X-Fluted Match Grade Barrel Threaded 1/2X28
    True Precision SIG Sauer P365XL X-Fluted Match Grade Barrel Threaded 1/2X28
    $170.99 - $189.99
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  7. True Precision Sig Sauer P365XL X-Fluted Match Grade Barrel
    True Precision Sig Sauer P365XL X-Fluted Match Grade Barrel
    $161.49 - $180.49
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  9. True Precision Springfield Hellcat PRO Threaded Barrel
    True Precision Springfield Hellcat PRO Threaded Barrel
    $170.99 - $189.99
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  10. True Precision Springfield Hellcat PRO Non-Threaded Barrel
    True Precision Springfield Hellcat PRO Non-Threaded Barrel
    $161.49 - $180.49
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  12. True Precision Sig Sauer P365 X-Fluted Match Grade Barrel
    True Precision Sig Sauer P365 X-Fluted Match Grade Barrel
    $161.49 - $180.49
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  13. True Precision Sig Sauer P365 X-Fluted Match Grade Barrel Threaded 1/2X28
    True Precision Sig Sauer P365 X-Fluted Match Grade Barrel Threaded 1/2X28
    $170.99 - $189.99
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  14. True Precision X Fluted Match Grade Threaded Barrel For Glock 19
    True Precision X Fluted Match Grade Threaded Barrel For Glock 19
    $189.99 - $218.49
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  15. 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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  16. L2D Combat Precision Match Fluted Barrel For Glock 19
    L2D Combat Precision Match Fluted Barrel For Glock 19
    $149.99
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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. Product Type Barrel Remove This Item
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Barrel Length
  1. 3.1" 1 item
  2. 3.25" 1 item
  3. 3.5" 1 item
  4. 3.6" 3 items
  5. 3.7" 2 items
  6. 3.9" 3 items
  7. 4.02" 1 item
  8. 4.4" 1 item
  9. 4.57" 1 item
  10. 4.6" 2 items
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. 9mm 53 items
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Configuration
  1. G17 4 items
  2. G19 7 items
  3. G26 2 items
  4. G43 6 items
  5. P320 2 items
  6. P365 2 items
  7. P365XL 2 items
Finish
  1. Black DLC 3 items
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  3. Bronze 1 item
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  5. DLC 11 items
  6. NeoChromatic 1 item
  7. Nitride 3 items
  8. PVD/CVD 4 items
  9. Titanium Nitride (TiN) 22 items
  10. Molecular Dense Coating (MDC) 3 items
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  1. Pistol 1 item
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  1. Absolute Co-Witness 1 item
Is Firearms?
  1. No 82 items
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  1. Agency Arms 5 items
  2. ARC Division 1 item
  3. Battle Arms Development 2 items
  4. CMC Triggers 1 item
  5. Danger Close Armament 2 items
  6. Faxon Firearms 14 items
  7. Fortis MFG 1 item
  8. Grey Ghost Precision 3 items
  9. Griffin Armament 9 items
  10. Killer Innovations 5 items
  11. L2D Combat 9 items
  12. Lone Wolf Arms 2 items
  13. S3F Solutions 1 item
  14. Shalotek 1 item
  15. Spinta Precision 1 item
  16. Strike Industries 1 item
  17. True Precision 20 items
  18. Tyrant Designs 3 items
  19. Zaffiri Precision 2 items
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  1. CZ P-10 1 item
  2. Glock 17 14 items
  3. Glock 19 22 items
  4. Glock 19X 1 item
  5. Glock 26 3 items
  6. Glock 34 1 item
  7. Glock 43 8 items
  8. Glock 45 1 item
  9. Glock 48 1 item
  10. Sig P320 10 items
  11. Sig P365 7 items
  12. Sig P365XL 4 items
  13. S&W M&P Shield 3 items
  14. Springfield Hellcat 4 items
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  1. Sig Sauer P Series 1 item
  2. CZ 1 item
  3. Glock 40 items
  4. Sig Sauer 10 items
  5. Smith & Wesson 3 items
  6. Springfield 2 items
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  2. Glock 47 items
  3. Sig Sauer 22 items
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  5. Springfield 4 items
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  1. $100.00 - $109.99 1 item
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  6. $150.00 - $159.99 4 items
  7. $160.00 - $169.99 14 items
  8. $170.00 - $179.99 20 items
  9. $180.00 - $189.99 18 items
  10. $190.00 and above 11 items
Size
  1. Compact 1 item
Thread Pitch
  1. 1/2x28 20 items
Threaded
  1. Yes 10 items
  2. No 18 items
Twist Rate
  1. 1:9 1 item
  2. 1:10 27 items
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  1. In stock 66 items
  2. Out of stock 16 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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