PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight Hex M-LOK Upper - Without BCG & CH

Palmetto State Armory PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight Hex M-Lok Upper - Without BCG & CH - Upper Receiver for AR-15 - view 1

Palmetto State Armory

Overview

The PSA 11.5" 5.56 NATO Upper Receiver is a complete assembly designed for AR-15 platforms, featuring an 11.5-inch barrel with a 1:7 twist rate and a carbine-length gas system. This configuration provides reliable cycling and optimal stability for a variety of ammunition types, making it suitable for both tactical and competitive shooting applications. Builders often utilize this upper in short-barreled rifles that prioritize maneuverability while maintaining versatility in caliber options.

Specifications

SKU51655200888
Barrel Length11.5
Caliber5.56 NATO
Twist Rate1:7
PlatformAR-15
AssemblyComplete
Gas System LengthCarbine

Available Merchants

Price Alert

Log in to set a price alert on this product.

No Available merchants at this time.

August 2026 on GunPartPicker

PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight Hex M-LOK Upper - Without BCG & CH ranked #168 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #137 of the 1,574 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.

Trending upper receivers →

Updated · from real builds on GunPartPicker

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

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!