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Pistol parts and handgun parts on one place. Rainier Arms offers you a selection of pistol triggers, barrels, slides, magazines, frames and more from top manufacturers in the industry.

Killer Innovations CZ P10-C Non-Threaded Velocity Barrel

4.7 star rating 3 Reviews

$249.00 - $249.00

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Killer Innovations Sig P320C Velocity Non-Threaded Barrel
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4.8 star rating 30284 Reviews

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0.0 star rating

03/13/25

Review by Anonymous User

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03/13/25

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Will H.
Verified Buyer

5.0 star rating

03/12/25

Works great. Just what I

Review by Will H. on 12 Mar 2025 review stating Works great. Just what I
Works great. Just what I wanted

On Gear Head Works Tailhook MOD 1

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03/12/25

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Shawn S.
Verified Buyer

5.0 star rating

03/12/25

Great lower at a great price!

Review by Shawn S. on 12 Mar 2025 review stating Great lower at a great price!
Nice finish, in spec with a nice fit on 2 different uppers. I highly recommend.

On Airborne Arms AAM4 AR-15 Stripped Lower Receiver

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03/12/25

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Brad H.
Verified Buyer

5.0 star rating

03/12/25

A perfect upgrade

Review by Brad H. on 12 Mar 2025 review stating A perfect upgrade
Great addition to my Geissele carrier and centurion bolt!

On Obsidian Arms Enhanced AR-15 Bolt Carrier Pin Kit

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03/12/25

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Wayne V.
Verified Buyer

5.0 star rating

03/12/25

gamechanger

Review by Wayne V. on 12 Mar 2025 review stating gamechanger
these things are the perfect place for your left thumb. much better than the competing thumb rest that is curved, so that it is practically useless imo

On Align Tactical S&W M&P 2.0 Thumb Rest Takedown Lever

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03/12/25

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Willie
Verified Buyer

5.0 star rating

03/12/25

Excellent IR

Review by Willie on 12 Mar 2025 review stating Excellent IR
Holds zero, durable, great product

On US Night Vision Designate IR Dual-Beam Green Visible/Infrared Laser - FDE

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$249.00 - $249.00

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Killer Innovations Threaded Velocity Barrel For Glock 17

4.9 star rating 23 Reviews

$249.00 - $249.00

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Killer Innovations Threaded Velocity Barrel For Glock 26

5.0 star rating 5 Reviews

$249.00 - $249.00

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Killer Innovations Velocity Threaded Barrel For Glock 19

4.9 star rating 22 Reviews

$249.00 - $249.00

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