

Click to see full view
Palmetto State Armory
Overview
The PSA AR-15 Barrel is a compact 7.5-inch option designed for .300 Blackout builds, featuring a pistol-length gas system that optimizes performance in shorter configurations. With a 1:7 twist rate, this barrel is well-suited for stabilizing heavier projectiles, making it a reliable choice for a variety of ammunition types. This barrel is commonly found in builds that prioritize maneuverability and versatility, particularly in close-quarters situations.
PSA AR-15 Barrel 7.5" .300 Blackout Pistol-Length 1:7 Nitride - 5165449963
No Available merchants at this time.
Builders have added the PSA AR-15 Barrel 7.5" .300 Blackout Pistol-Length 1:7 Nitride - 5165449963 to their builds on GunPartPicker since July 2026. Since April 2026, it ranks #198 of the 1,042 barrels builders have added.
Updated · from real builds on GunPartPicker
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
The part most often added in each category by the builds that include this one

Silencerco AR-15 Billet Lower Receiver

Aero Precision Gas Tube, Pistol Length - Stainless Steel

SB Tactical Adjustable 5 Position Arm Brace No Buffer Tube, Black - SBA4X-01-SB

Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Gray

Griffin Armament GP7 .30 Cal Suppressor (5/8x24) - GAGP7-W

Toolcraft Non-Logo'd Left Handed 5.56 Nitride MPI Full-Auto Bolt Carrier Group - 5165491278
No reviews yet. Be the first to review this product!