Handgun Barrels

Pistol barrels and barrels for your handgun.

Killer Innovations Sig P365ST Velocity Threaded Barrel

$249.00 - $249.00

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Killer Innovations Sig P365ST Velocity Non-Threaded Barrel

5.0 star rating 1 Review

$242.00 - $242.00

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Faxon Firearms Match Series Sig Sauer P365 9mm Threaded Barrel

5.0 star rating 2 Reviews

$110.63 - $139.92

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Strike Industries Barrel for Sig Sauer P365

Special Price $149.92 Regular Price $194.95

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Shalotek Sig Sauer P365 LCI Barrel - Black Nitride

$129.68

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True Precision Sig Sauer P365 X-Fluted Match Grade Barrel

4.7 star rating 15 Reviews

$161.49 - $180.49

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True Precision Sig Sauer P365 X-Fluted Match Grade Barrel Threaded 1/2X28

4.9 star rating 37 Reviews

$170.99 - $189.99

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Griffin Armament Sig Sauer P365 Thread Barrel w/ Micro Carry Comp
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Verified Reviewer

0.0 star rating

03/01/25

Review by Anonymous User

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03/01/25

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FRANKLIN P.
Verified Buyer

5.0 star rating

02/28/25

Excellent Purchasw

Review by FRANKLIN P. on 28 Feb 2025 review stating Excellent Purchasw
Purchased open box item for 3 Laugo arms magazines. Mags were new and at a significant savings. Thank you Rainier Arms!

On Laugo Arms Alien Magazine - 17RD (Open Box)

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02/28/25

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Whitney J.
Verified Buyer

5.0 star rating

02/27/25

Amazing quality and service.

Review by Whitney J. on 27 Feb 2025 review stating Amazing quality and service.
Great rifle, shipping was fast and got to my FFL in just a few days. The rifle quality is above and beyond anything you could possibly ever need. I ran it suppressed and it ran quite and smooth. The recoil on this rifle is ridiculously smooth when suppressed. I’ll be buying another rifle for my wife from Rainer soon.

On Sons of Liberty Gun Works M4-89 5.56 AR-15 Rifle - 13.7" (Pinned)

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02/27/25

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Alan D.
Verified Buyer

5.0 star rating

02/27/25

Great Upper

Review by Alan D. on 27 Feb 2025 review stating Great Upper
High quality upper, shoot's great so far, would recommend.

On Bravo Company MFG (BCM) AR-15 Upper Receiver 9" 300 BLACKOUT MCMR-8

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02/27/25

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Daniel M.
Verified Buyer

5.0 star rating

02/27/25

Happy customer

Review by Daniel M. on 27 Feb 2025 review stating Happy customer
A little taller than I thought but very good product

On Forward Controls Design Backup Iron Sights - G43x/48

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02/27/25

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Andre F.
Verified Buyer

5.0 star rating

02/27/25

Great project platform. Just be

Review by Andre F. on 27 Feb 2025 review stating Great project platform. Just be
Great project platform. Just be careful with mag types. Comp mags doesn't fit well.

On Sharps Bros Overthrow AR-15 Complete Lower Receiver w/o Stock - Gen 2

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02/27/25

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$186.00

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True Precision Duty Barrel Sig P365 Threaded

$142.49 - $151.99

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Radian Weapons Afterburner & Ramjet Barrel Combo For Sig P365

5.0 star rating 1 Review

$389.95 - $409.95

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Faxon Firearms Match Series Sig Sauer P365 9mm Barrel

5.0 star rating 1 Review

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Danger Close Armament DCA-365 Select Match 9mm Threaded Barrel For Sig P365 - (3.1")

5.0 star rating 1 Review

Out of stock

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Danger Close Armament DCA-365 Select Match 9mm Barrel For Sig P365 - (3.1")

5.0 star rating 1 Review

Out of stock

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