PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate Lightweight M-LOK 12" Upper w/MBUS Sight Set - No BCG or CH
Palmetto State Armory
Overview
The PSA 10.5" Carbine-Length Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 10.5-inch barrel chambered in 5.56 NATO and a carbine-length gas system. The 1:7 twist rate is optimized for stabilizing a wide range of bullet weights, making it versatile for various ammunition types. This upper is commonly found in builds focused on compact maneuverability and efficiency, suitable for close-quarters engagements or tactical applications.
Specifications
PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate Lightweight M-LOK 12" Upper w/MBUS Sight Set - No BCG or CH
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Build history on GunPartPicker
Builders on GunPartPicker first added the PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate Lightweight M-LOK 12" Upper w/MBUS Sight Set - No BCG or CH to a build in February 2026.
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Frequently Built With
The part most often added in each category by the builds that include this one
Anderson Manufacturing AR-15 Stripped Lower Receiver
Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - Phosphate
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized
Fortis SHIFT Vertical Grip - M-LOK
Wilson Combat AR-15 Tactical Trigger KIT Nickel Teflon Single Stage
Geissele Automatics MK8 10.5" M-LOK Super Modular Rail Black
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