PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - With BCG & CH
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Palmetto State Armory
Overview
The PSA 11.5" 5.56 NATO Upper Receiver is a complete assembly designed for AR-15 builds, featuring an 11.5-inch barrel with a 1:7 twist rate that stabilizes a wide range of bullet weights. The upper is crafted from 7075-T6 aluminum, ensuring a durable yet lightweight option for your firearm. This upper is particularly popular in builds chambered in 5.56 NATO, making it a versatile choice for various applications, from tactical use to recreational shooting.
Specifications
PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - With BCG & CH
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Build history on GunPartPicker
Builders on GunPartPicker first added the PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - With BCG & CH to a build in February 2026. Builds with this upper receiver are nearly all chambered in 5.56 NATO and nearly all AR-15.
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the 16 builds that include this one
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
BCM GUNFIGHTER Picatinny Vertical Grip Mod 3 - Black
Rise Armament Advanced Performance Trigger, Red - RA-535-RED-ARP
B5 Systems SOPMOD Enhanced Stock, Multi-Camo Black - SOP-1422
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