PSA 16" M4 Nitride 1:7 MOE Black Freedom Upper With BCG & CH - 508045
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Palmetto State Armory
Overview
The PSA 16" M4 Nitride Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a carbine-length gas system and a 1:7 twist rate, this upper is optimized for stability and accuracy, allowing you to effectively stabilize a variety of bullet weights. This upper is commonly used in versatile builds that prioritize both range and maneuverability, making it suitable for everything from tactical applications to recreational shooting.
Specifications
PSA 16" M4 Nitride 1:7 MOE Black Freedom Upper With BCG & CH - 508045
Build history on GunPartPicker
Builders have been adding the PSA 16" M4 Nitride 1:7 MOE Black Freedom Upper With BCG & CH - 508045 to their builds on GunPartPicker since March 2026. All time, it ranks #375 of the 1,636 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $299.99, so there haven't been real sales lately. Buying today, the lowest price is $299.99 at Palmetto State Armory, which matches the best price we saw in August.
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 6 builds that include this one
PSA AR15 Complete Lower B5 Bravo Stock, Black
B5 Systems Bravo Stock - Coyote Brown
Strike Industries T-Bone AR-15 Charging Handle for .223/5.56 - Black/Black
NCSTAR Green Laser Sight - APRLSG
HUXWRX FLOW 6K 6mm Flow-Through Suppressor (Black) - 2892
Samson Manufacturing Picatinny Grenade Style Medium Vertical Foregrip, Black - Enhanced Grip for Tactical Use - 04-06097-01
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