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Rainier Arms

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Handgun Barrels

Pistol barrels and barrels for your handgun.

Killer Innovations Sig P320C Velocity Threaded Barrel

4.9 star rating 17 Reviews

$268.00 - $268.00

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Killer Innovations Sancer 9mm Threaded Barrel for Glock 17 Gen 1-4

$139.92 - $139.92

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Killer Innovations Velocity Threaded Barrel For Glock 19
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4.8 star rating 30351 Reviews

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Verified Reviewer

0.0 star rating

03/30/25

Review by Anonymous User

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03/30/25

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Ty
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5.0 star rating

03/29/25

Great 20rd!

Review by Ty on 29 Mar 2025 review stating Great 20rd!
Feed great, solid build quality, and compact yet 20rds. Great for a backpack setup. Sit about flush with the hand grip vs the 30rds that extend past it

On KCI USA H&K MP5 MAGAZINE - 20 RD

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03/29/25

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Jason G.
Verified Buyer

5.0 star rating

03/29/25

Mars gtg

Review by Jason G. on 29 Mar 2025 review stating Mars gtg
Much better then I was expecting. Will be order a couple more.

On Rainier Arms MARS (Magazine Advanced Release System) for Glock Gen 1-3

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03/29/25

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jd r.
Verified Buyer

5.0 star rating

03/29/25

perfect

Review by jd r. on 29 Mar 2025 review stating perfect
exactly what i wanted

On Tippmann Arms M4-22 .22LR Magazine - 25 RD (Open Box)

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03/29/25

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Rene H.
Verified Buyer

5.0 star rating

03/29/25

Excellent purchase and excellent customer

Review by Rene H. on 29 Mar 2025 review stating Excellent purchase and excellent customer
Excellent purchase and excellent customer service by Rainier Arms!

On IWI Galil Ace Gen II 7.62x39 SBR w/ Side Folding Stock - 8.3"

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03/29/25

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Mike
Verified Buyer

5.0 star rating

03/29/25

change is good

Review by Mike on 29 Mar 2025 review stating change is good
if you add a comp to your pistol it comes in very handy

On Radian Glock 19 COMPRESSOR Quick-Tune Guide Rod w/ 3 springs

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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 CZ P10-C Threaded Velocity Barrel

4.9 star rating 15 Reviews

$268.00 - $268.00

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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 Non-Threaded Velocity Barrel For Glock 17

4.7 star rating 9 Reviews

$229.00 - $229.00

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Killer Innovations Sancer 9mm Threaded Barrel for Glock 17 Gen 5

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