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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 Premier Line Threaded/Fluted Barrel for Glock 17
    Agency Arms Premier Line Threaded/Fluted Barrel for Glock 17
    $310.00
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  2. Agency Arms Premier Line Threaded/Fluted Barrel For Glock 19
    Agency Arms Premier Line Threaded/Fluted Barrel For Glock 19
    $310.00
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  4. Faxon Firearms Flamed Barrel For Glock 17
    Faxon Firearms Flamed Barrel For Glock 17
    $173.88 - $192.28
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  5. Agency Arms Syndicate Threaded Barrel For Glock 43
    Agency Arms Syndicate Threaded Barrel For Glock 43
    $170.00
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  6. Agency Arms Glock 48 Mid Line Threaded/Fluted Barrel
    Agency Arms Glock 48 Mid Line Threaded/Fluted Barrel
    $210.00
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  9. Faxon Firearms Match Series 9mm Threaded Barrel for Glock 43
    Faxon Firearms Match Series 9mm Threaded Barrel for Glock 43
    $175.75 - $188.60
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  11. Killer Innovations Velocity Threaded Barrel for Glock 17 GEN 5
    Killer Innovations Velocity Threaded Barrel for Glock 17 GEN 5
    $249.00
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  12. Lantac Fluted Threaded Barrel For Glock 19 - Black
    Lantac Fluted Threaded Barrel For Glock 19 - Black
    $275.99
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  13. Lantac Fluted Threaded Barrel For Glock 19
    Lantac Fluted Threaded Barrel For Glock 19
    Out of stock
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  14. Lantac Fluted Non-Threaded Barrel For Glock 19
    Lantac Fluted Non-Threaded Barrel For Glock 19
    Out of stock
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  15. Agency Arms Mid Line Fluted/Threaded Barrel For Glock 17 Gen 5
    Agency Arms Mid Line Fluted/Threaded Barrel For Glock 17 Gen 5
    Out of stock
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  16. Griffin Armament Thread Barrel w/ Micro Carry Comp For Glock 48
    Griffin Armament Thread Barrel w/ Micro Carry Comp For Glock 48
    $186.00
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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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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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