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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. Apex Tactical Specialties Action Enhancement Trigger Kit For Glock - Gen 3/4 - Red
    Apex Tactical Specialties Action Enhancement Trigger Kit For Glock - Gen 3/4 - Red
    $137.75
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  2. L2D Combat Precision Match Fluted Threaded Barrel For Glock 17
    L2D Combat Precision Match Fluted Threaded Barrel For Glock 17
    Out of stock
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  3. L2D Combat Precision Match Fluted Threaded Barrel For Glock 19
    L2D Combat Precision Match Fluted Threaded Barrel For Glock 19
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  4. TXC Holsters X1 Ally For Glock 9/40 w/ Mag Pouch - RH Black
    TXC Holsters X1 Ally For Glock 9/40 w/ Mag Pouch - RH Black
    $104.99
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  5. Griffin Armament ATM Threaded Barrel For Glock 43 w/ Micro Carry Comp
    Griffin Armament ATM Threaded Barrel For Glock 43 w/ Micro Carry Comp
    $186.00
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  6. Lantac E-CTG9 Upgrade Trigger For Glock 17/19 - Gen 4
    Lantac E-CTG9 Upgrade Trigger For Glock 17/19 - Gen 4
    $141.29
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  7. Lantac E-CTG9 Upgrade Trigger For Glock 17/19 - Gen 1-3
    Lantac E-CTG9 Upgrade Trigger For Glock 17/19 - Gen 1-3
    $141.29
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  8. ARC Division Arc9 Match Series Fluted/Threaded Barrel For Glock 19
    ARC Division Arc9 Match Series Fluted/Threaded Barrel For Glock 19
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  9. Battle Arms Development ONE:1 416R Threaded Barrel For Glock 19 - Black Nitride
    Battle Arms Development ONE:1 416R Threaded Barrel For Glock 19 - Black Nitride
    $199.00
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  10. Battle Arms Development ONE:1 4140 Barrel For Glock 19 - Black Nitride
    Battle Arms Development ONE:1 4140 Barrel For Glock 19 - Black Nitride
    $185.99
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  11. Haley Strategic HSP Thirteen Iron Sights For Glock - Full Tritium
    Haley Strategic HSP Thirteen Iron Sights For Glock - Full Tritium
    $139.00
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  12. 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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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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