PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-LOK Upper With BCG & CH
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Palmetto State Armory
Overview
The PSA 7.5" 300AAC Blackout Nitride Upper is a complete assembly designed for the AR-15 platform, featuring a 7.5-inch barrel optimized for .300 Blackout ammunition. This upper receiver combines a lightweight design with a reliable gas system tailored for pistol configurations, making it a solid choice for those seeking compact performance. Builders often utilize this upper in setups where maneuverability and firepower in a smaller package are essential, typically in pistol builds chambered in .300 Blackout.
Specifications
PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-LOK Upper With BCG & CH
August 2026 on GunPartPicker
PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-LOK Upper With BCG & CH ranked #82 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #110 of the 1,550 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 300 Blackout 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. Prices barely moved in August 2026, holding around $319.99, so there haven't been real sales lately. Buying today, the lowest price is $319.99 at Palmetto State Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Frequently Built With
The part most often added in each category by the 15 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
Timney Trigger AR-15 Competition 3lb Single Stage .154"
Magpul M-LOK Handstop KIT - Black
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Mdt Pistol Grip - Black
Builds Featuring This Part
See all 1 →Builds in the community that include the PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-Lok Upper With BCG & CH
| Build | Parts | Total |
|---|---|---|
 | 8 | $1307.20 |
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