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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. Agency Arms 417 Compensator For Glock GEN 4
    Agency Arms 417 Compensator For Glock GEN 4
    $100.00
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  2. Agency Arms Premier Line Fluted Barrel For Glock 17
    Agency Arms Premier Line Fluted Barrel For Glock 17
    $300.00
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  3. Agency Arms 417 Compensator For Glock Gen 3
    Agency Arms 417 Compensator For Glock Gen 3
    $100.00
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  4. Agency Arms 417 Single Port Compensator For Glock Gen 3
    Agency Arms 417 Single Port Compensator For Glock Gen 3
    $100.00
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  5. Agency Arms Syndicate Threaded Barrel For Glock 17
    Agency Arms Syndicate Threaded Barrel For Glock 17
    $170.00
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  6. Agency Arms Premier Line Threaded/Fluted Barrel for Glock 17
    Agency Arms Premier Line Threaded/Fluted Barrel for Glock 17
    $310.00
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  7. Faxon Firearms Flamed Barrel For Glock 17
    Faxon Firearms Flamed Barrel For Glock 17
    $173.88 - $192.28
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  8. Faxon Firearms Flamed Threaded Barrel For Glock 17
    Faxon Firearms Flamed Threaded Barrel For Glock 17
    $183.08 - $201.48
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  9. Nomad 9F Enhanced Frame For Glock 17 Gen 5
    Nomad 9F Enhanced Frame For Glock 17 Gen 5
    $150.00
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  11. Night Fision Glow Dome Tritium Suppressor Height Sights Set For Glock - "Square" Rear
    Night Fision Glow Dome Tritium Suppressor Height Sights Set For Glock - "Square" Rear
    $116.00
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  12. Tyrant Designs Extended Slide Release For Glock Gen 5
    Tyrant Designs Extended Slide Release For Glock Gen 5
    $31.45
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  13. Tyrant Designs I.T.T.S. Trigger For Glock Gen 3/4
    Tyrant Designs I.T.T.S. Trigger For Glock Gen 3/4
    $67.45
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  14. Tyrant Designs Extended Magazine Release For Glock Gen4/Gen5
    Tyrant Designs Extended Magazine Release For Glock Gen4/Gen5
    $25.15 - $27.95
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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. Glock 77 items
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  2. $1,000.00 and above 1 item
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  8. Magwell 5 items
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  11. Pistol Part 9 items
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  15. Trigger 15 items
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  1. 1/2x28 6 items
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  1. In stock 78 items Remove This Item
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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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