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Palmetto State Armory
Overview
The PSA JAKL 300 Blackout Complete Lower is a fully assembled lower receiver designed for the AR-15 platform, specifically tailored for the 300 Blackout caliber. Made from durable 7075-T6 aluminum and featuring a forged style, this lower includes a standard trigger pin diameter of .154, which is compatible with a wide range of aftermarket triggers. Builders often use this lower in pistol configurations, making it ideal for compact and maneuverable setups.
PSA JAKL 300 Blackout Complete Lower MOE EPT, Flat Dark Earth
Prices checked
PSA JAKL 300 Blackout Complete Lower MOE EPT, Flat Dark Earth ranked #96 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #96 of the 1,222 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 300 Blackout (88%, then 5.56 NATO 13%), mostly on pistol-length gas (67%, then mid-length 25%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $349.99, with no real sale all month. Buying today, the lowest price is $349.99 at Palmetto State Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every lower receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Lower Receiver Trends →Check it against the live catalog:
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