PSA JAKL 300 Blackout Complete Pistol Lower Classic EPT, Black

All Palmetto State Armory lower receivers
Palmetto State Armory PSA JAKL 300 Blackout Complete Pistol Lower Classic EPT, Black - Lower Receiver for AR-15 - view 1
Palmetto State Armory PSA JAKL 300 Blackout Complete Pistol Lower Classic EPT, Black - Lower Receiver for AR-15 - view 2
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Palmetto State Armory

Overview

The PSA JAKL 300 Blackout Complete Pistol Lower is a fully assembled lower receiver designed for the AR-15 platform, crafted from durable 7075-T6 aluminum and finished in a sleek black color. This lower features a .154 trigger pin and is specifically engineered for the 300 Blackout caliber, making it ideal for builders looking to create compact and versatile firearm configurations. Typically, you'll find this lower in pistol builds that leverage the 300 Blackout caliber, which is favored for its effective performance in short-barreled applications.

Specifications

MPN51655130942
Caliber300 Blackout
Trigger Pin.154
ColorBlack
PlatformAR-15
AssemblyComplete
StyleForged
Material7075-T6 Aluminum

Available Merchants(1)

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$349.99

November 2026 so far on GunPartPicker

PSA JAKL 300 Blackout Complete Pistol Lower Classic EPT, Black ranks #66 of the 552 lower receivers builders have added on GunPartPicker so far in November 2026, behind the Spike's Tactical 9mm AR-15 Receiver Set - Spider - Glock Magazine, with about 1 in every 500 lower receivers added to builds. Up from #71 in October. Builds with this lower receiver are mostly chambered in 300 Blackout (94%), 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 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.

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Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

93.5%
300 Blackout93.5%
5.56 NATO4.3%
.308 Win2.2%

Gas System

100%
Pistol100%

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