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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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  3. Killer Innovations Velocity CZ P-10 C/F Trigger
    Killer Innovations Velocity CZ P-10 C/F Trigger
    $54.92 - $79.99
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  4. Killer Innovations Velocity CZ P-10 S Trigger Shoe
    Killer Innovations Velocity CZ P-10 S Trigger Shoe
    $79.99
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  5. Killer Innovations CZ P10-C Non-Threaded Velocity Barrel
    Killer Innovations CZ P10-C Non-Threaded Velocity Barrel
    $249.00
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  7. True Precision CZ P-10S X-Fluted Non-Threaded Barrel
    True Precision CZ P-10S X-Fluted Non-Threaded Barrel
    $161.49 - $180.49
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  8. Ascalon Arms ERGON CZ P-10 Trigger
    Ascalon Arms ERGON CZ P-10 Trigger
    $49.00
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  9. Killer Innovations CZ P10-C Threaded Velocity Barrel
    Killer Innovations CZ P10-C Threaded Velocity Barrel
    $268.00
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  10. Killer Innovations Velocity CZ P-10 Magwell
    Killer Innovations Velocity CZ P-10 Magwell
    $84.99
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  11. HB Industries CZ P10 Theta Trigger Kit
    HB Industries CZ P10 Theta Trigger Kit
    $64.35
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  12. Apex Tactical Specialties CZ P-10 Extended Slide Release
    Apex Tactical Specialties CZ P-10 Extended Slide Release
    $85.50
    Out of stock
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  13. Norsso CZ P-10C Reptile Ported R2 RMR Slide - Black DLC
    Norsso CZ P-10C Reptile Ported R2 RMR Slide - Black DLC
    $436.05
    Out of stock
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  14. Norsso CZ P-10C R2 Reptile OG RMR Slide - Black DLC
    Norsso CZ P-10C R2 Reptile OG RMR Slide - Black DLC
    $436.05
    Out of stock
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  15. HB Industries CZ P10 Reduced Weight Striker Spring Set
    HB Industries CZ P10 Reduced Weight Striker Spring Set
    $12.38
    Out of stock
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  16. Apex Tactical Specialties Enhanced Short Paddle Slide Release - P10C/F/S
    Apex Tactical Specialties Enhanced Short Paddle Slide Release - P10C/F/S
    $85.50
    Out of stock
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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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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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