PSA 8.5" Pistol-length 300AAC Nitride 7" Lightweight M-LOK Upper with BCG & CH
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Palmetto State Armory
Overview
The PSA 8.5" Pistol-length 300AAC Nitride Upper is a complete upper receiver assembly designed for the AR-15 platform. It features an 8.5-inch barrel optimized for the 300 Blackout caliber, utilizing a pistol-length gas system that enhances reliability and performance in shorter builds. This upper is ideal for compact setups, often found in builds focused on maneuverability and close-quarters use.
Specifications
PSA 8.5" Pistol-length 300AAC Nitride 7" Lightweight M-LOK Upper with BCG & CH
August 2026 on GunPartPicker
PSA 8.5" Pistol-length 300AAC Nitride 7" Lightweight M-LOK Upper with BCG & CH ranked #291 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #317 of the 1,634 upper receivers builders have added.
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. The best price drifted down from $319.99 to $219.99 over August 2026 without a real sale. Buying today, the lowest price is $279.99 at Palmetto State Armory, above August's low of $219.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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