PSA AR-15 Barrel 10.5" 5.56 NATO 1:7 Carbine-Length Nitride -77932251
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Palmetto State Armory
Overview
The PSA AR-15 Barrel is a 10.5-inch option designed for 5.56 NATO cartridges, featuring a carbine-length gas system and a 1:7 twist rate. This twist rate is suitable for stabilizing heavier projectiles, making it a versatile choice for various ammunition types. Commonly found in short-barreled rifles and other compact builds, this barrel optimizes performance while maintaining a lightweight profile.
Specifications
PSA AR-15 Barrel 10.5" 5.56 NATO 1:7 Carbine-Length Nitride -77932251
Build history on GunPartPicker
Builders have been adding the PSA AR-15 Barrel 10.5" 5.56 NATO 1:7 Carbine-Length Nitride -77932251 to their builds on GunPartPicker since February 2026. All time, it ranks #185 of the 812 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $99.99, so there haven't been real sales lately. Buying today, the lowest price is $99.99 at Palmetto State Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the 10 builds that include this one
Anderson Manufacturing AR-15 Lower Receiver - No Logo
PSA AR-15 Stripped Upper Receiver
Tacfire 10 In MLOK F-Flt Handguard Full Rl QD
WMD Guns Gas Block Adjustable Low Profile .750in Clamp Nitromet Black
WMD Guns AR-15 Gas Tube Nitromet Carbine
Strike Industries Extended Bolt Catch
Builds Featuring This Part
See all 2 →Builds in the community that include the PSA AR-15 Barrel 10.5" 5.56 NATO 1:7 Carbine-Length Nitride -77932251
| Build | Parts | Total |
|---|---|---|
 | 21 | $954.19 |
 | 15 | $695.99 |
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