PSA 10.5" Pistol Length 300AAC Blackout 1:8 Nitride 9" Lightweight M-LOK Freedom Upper With BCG & CH
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Palmetto State Armory
Overview
The PSA 10.5" Pistol Length 300AAC Blackout Upper is a complete upper receiver designed for AR-15 platforms, featuring a 10.5-inch barrel with a 1:8 twist rate ideal for stabilizing a wide range of bullet weights. The 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 while chambered in 300 Blackout for both suppressed and unsuppressed shooting.
Specifications
PSA 10.5" Pistol Length 300AAC Blackout 1:8 Nitride 9" Lightweight M-LOK Freedom Upper With BCG & CH
August 2026 on GunPartPicker
PSA 10.5" Pistol Length 300AAC Blackout 1:8 Nitride 9" Lightweight M-LOK Freedom Upper With BCG & CH ranked #28 of the 690 upper receivers builders added on GunPartPicker in August 2026, behind the Daniel Defense 11.5" 5.56 NATO 1:7 Carbine AR-15 Complete Upper - 10" MFR XS M-LOK Rail, with about 1 in every 167 upper receivers added to builds. That's its 2nd straight month at #28. 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 August 2026, and today the one retailer we track has it in stock. It dipped to $289.99 at Palmetto State Armory for a stretch in August 2026, well under its usual $329.99, so sales do come around. Buying today, the lowest price is $329.99 at Palmetto State Armory, above August's low of $289.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Frequently Built With
The part most often added in each category by the 68 builds that include this one
PSA Complete Lower 300BO, JAKL, MOE EPT w/o Brace, Smoke
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Magpul AFG-2 Angled Fore Grip - Black
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
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