Out of stock
PSA 10.5" CHF 300 AAC Blackout 1:8 Pistol Gas Barrel
Out of stock

PSA 10.5" CHF 300 AAC Blackout 1:8 Pistol Gas Barrel

SKU 8294
Brand Palmetto State Armory
Model Number PS046-10-08PAH
UPC 8294
It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item.
Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Product Details


10.5" Barrel Length
Hammer-Forged Machine Gun Steel Barrel
Extra Thick Chrome Lined Bore
300 AAC Chamber
1 in 8" Twist
High Pressure Tested
Magnetic particle Inspected
.750" Gas block Diameter
Pistol Gas Length
M4 Feedramps


This barrel is made of a proprietary blend of Hammer forged chrome molly vanadium made by FN that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons.   The hammer forging process work hardens the steel over a tapered mandrel, making it more durable.  In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability.  Chambered in 300 AAC Blackout, with a 1/8 twist, M4 barrel extension, and a pistol-length gas system.   This 10.5" barrel has an profile under the handguards optomized for better heat management and is Mil-spec phosphate coated, High Pressure tested and Magnetic Particle inspected. 

 Please check the barrel closely for any irregularities. It is the builder's responsibility to check headspace before assembling.  It is the buyers responsibility to kanow the NFA regulations on the use of this barrel.

In the unlikely event you have an issue with a barrel, STOP AND DO NOT ASSEMBLE. Contact Customer Service. Barrel is non-returnable after it has been installed or modified.


Q & A

Retail Stock