PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-LOK Upper With BCG & CH - 5165449196
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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 with a 1:7 twist rate. This configuration is optimized for a carbine gas system, ensuring reliable cycling and performance in a compact form factor. Builders often incorporate this upper in short-barreled rifles or tactical builds where maneuverability and quick handling are critical.
Specifications
PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-LOK Upper With BCG & CH - 5165449196
September 2026 on GunPartPicker
PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-LOK Upper With BCG & CH - 5165449196 ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #143 of the 1,654 upper receivers builders have added. Builds with this upper receiver 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 September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $339.99, so there haven't been real sales lately. Buying today, the lowest price is $339.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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