BLEM PSA Freedom AR-15 Rifle KIT 5.56 16" M4 Carbine-Lgth 1:7 Nitride - 507617B
All Palmetto State Armory upper receivers
Click to see full view
Palmetto State Armory
Overview
The BLEM PSA Freedom AR-15 Rifle Kit features a complete upper receiver, equipped with a 16-inch barrel chambered in 5.56 NATO, making it suitable for a variety of shooting applications. With a carbine-length gas system and a 1:7 twist rate, this upper is designed to stabilize a wide range of bullet weights, enhancing accuracy and performance. This kit is commonly found in builds focused on versatility and reliability, particularly those utilizing a carbine gas system and 5.56 NATO caliber.
Specifications
BLEM PSA Freedom AR-15 Rifle KIT 5.56 16" M4 Carbine-Lgth 1:7 Nitride - 507617B
Available Merchants(1)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have been adding the Palmetto State Armory BLEM PSA Freedom AR-15 Rifle KIT 5.56 16" M4 Carbine-Lgth 1:7 Nitride - 507617B to their builds on GunPartPicker since February 2026. All time, it ranks #391 of the 1,683 upper receivers builders have added.
Today the one retailer we track has it in stock. Buying today, the lowest price is $349.99 at Palmetto State Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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
Popular alongside upper receivers on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Bravo Company M16 Bolt Carrier Group Black
Magpul AFG-2 Angled Fore Grip - Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!