PSA 10.5" Pistol Length 300AAC Nitride 10.5" M-LOK Upper - With BCG & CH - 5165449628
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Palmetto State Armory
Overview
The PSA 10.5" Pistol Length 300AAC Nitride Upper is a complete assembly designed for AR-15 builds, featuring a 10.5-inch barrel specifically chambered in 300 Blackout. Its pistol-length gas system ensures reliable cycling with subsonic and supersonic ammunition, making it a versatile choice for various shooting applications. This upper is commonly found in builds that prioritize compactness and maneuverability, particularly where the 300 Blackout caliber is favored for its performance in short-barreled configurations.
Specifications
PSA 10.5" Pistol Length 300AAC Nitride 10.5" M-LOK Upper - With BCG & CH - 5165449628
September 2026 on GunPartPicker
PSA 10.5" Pistol Length 300AAC Nitride 10.5" M-LOK Upper - With BCG & CH - 5165449628 ranked #43 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 #97 of the 1,642 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 300 Blackout, nearly all on pistol-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 $329.99, so there haven't been real sales lately. Buying today, the lowest price is $329.99 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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Frequently Built With
The part most often added in each category by the 16 builds that include this one
PSA JAKL 300 Blackout Complete Lower Classic EPT w/o Brace, Black
PSA Custom AR-15 Charging Handle Ambidextrous
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Magpul AFG-2 Angled Fore Grip - Flat Dark Earth
Phase 5 Version 2 Extended Bolt Release, 2.15" - EBRV2
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