PSA JAKL 8.5" 300 Blackout 1/8 Nitride Complete Upper With BCG, Bolt Catch & Roll Pin, FDE

All Palmetto State Armory upper receivers

2 options

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Palmetto State Armory PSA JAKL 8.5" 300 Blackout 1/8 Nitride Complete Upper With BCG, Bolt Catch & Roll Pin, FDE - Upper Receiver for AR-15 - view 1

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Palmetto State Armory

Overview

The PSA JAKL Complete Upper is designed for the AR-15 platform and features an 8.5-inch barrel chambered in 300 Blackout, making it an excellent choice for compact builds that benefit from this versatile caliber. With a 1:8 twist rate, this upper is optimized for stabilizing a variety of bullet weights, providing flexibility for both subsonic and supersonic ammunition. This complete upper is commonly found in builds focused on 300 Blackout, catering to those looking to enhance their firearm for closer engagements or suppressed shooting.

Specifications

AssemblyComplete

Caliber300 Blackout

Twist Rate1:8

ColorFDE

PlatformAR-15

Barrel Length8.5

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PSA JAKL 8.5" 300 Blackout 1/8 Nitride Complete Upper With BCG, Bolt Catch & Roll Pin, FDE

2 options

Standardout of stock
FDE, this page

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Build history on GunPartPicker

Builders have been adding the PSA JAKL 8.5" 300 Blackout 1/8 Nitride Complete Upper With BCG, Bolt Catch & Roll Pin, FDE to their builds on GunPartPicker since January 2026. All time, it ranks #126 of the 1,893 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 300 Blackout, nearly all on pistol-length gas, and nearly all AR-15.

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Updated Oct 31, 2026 · from real builds on GunPartPicker