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
September 2026 on GunPartPicker
PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-LOK Upper With BCG & CH ranked #34 of the 615 upper receivers builders added on GunPartPicker in September 2026, behind the Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4, with about 1 in every 250 upper receivers added to builds. Up from #82 in August. 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 September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 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 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 23 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
Magpul M-LOK Handstop KIT - Black
Timney Trigger AR-15 Competition 3lb Single Stage .154"
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Maxim Defense CQB Gen 7 Standard Buffer Adjustable AR-15 Stock, Black - MXM-47617
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 | $1322.24 |
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