Alpha Shooting Sports 3 inch 45 ACP Pistol Caliber AR-15 Nitride Barrel

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Why Buy From Us?


Don't see the exact configuration you want? No problem, just let us know. Most of the time we can customize with the parts we have just to your liking.


All our uppers have a Lifetime Warranty to the original purchaser. Some conditions apply - click here for details.

Customer Service

We believe in customer service before and after the sale. We never take days or weeks to respond. Most of the time if you email or leave a message, we usually respond the same day or next business day.

Turnaround Time

Most of our uppers are built to order. Our most important goal is to get your order to you as quickly as possible without sacrificing quality. Please check the live status update on the banner above and/or on our homepage for current processing times.


We always specify the manufacturer of the major components therefore you know what you are getting. We only use quality components from well-known manufacturers.

3 inch 45 ACP AR-15 Barrel, 4150 CMV, Nitride/Melonite Treated, 1/16 Twist - made by Alpha Shooting Sports. 

Note: Do not use muzzle devices designed for 300 Blkout or other 30 cal - serious injury may occur as the opening is not large enough to accomodate the larger round.  


Weight 0.4
Length 3
Profile N/A
Twist 1:16
Finish Nitride
Material 4150 CMV
Thread Pitch 5/8-24
Caliber 45 ACP
Feed Ramp N/A
Flutes N/A
Gas System N/A
Rifling Conventional
Gas Block System N/A

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