PSA 16" Pistol-Length 300AAC Blackout Nitride 15" Lightweight M-LOK Upper - With BCG & CH - 5165448932
Click to see full view
Palmetto State Armory
Overview
The PSA 16" Pistol-Length 300AAC Blackout Nitride Upper is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch barrel optimized for the 300 Blackout caliber. With a pistol-length gas system, this upper ensures reliable cycling and performance, making it suitable for a variety of shooting applications. This setup is often found in builds focused on compact versatility and suppressed shooting, where the 300 Blackout excels.
Specifications
PSA 16" Pistol-Length 300AAC Blackout Nitride 15" Lightweight M-LOK Upper - With BCG & CH - 5165448932
Build history on GunPartPicker
Builders have been adding the PSA 16" Pistol-Length 300AAC Blackout Nitride 15" Lightweight M-LOK Upper - With BCG & CH - 5165448932 to their builds on GunPartPicker since April 2026. All time, it ranks #203 of the 1,634 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 $349.99, so there haven't been real sales lately. Buying today, the lowest price is $349.99 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
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 →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the 6 builds that include this one
17 Design and Manufacturing AR-15 Billet Lower Receiver
Rise Armament Advanced Performance Trigger, Red - RA-535-RED-ARP
Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
Fortis SHIFT Vertical Grip - M-LOK
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Rise Armament AR-15 Magazine Release Button - Rise Red
No reviews yet. Be the first to review this product!