Out of stock
PSA 20" 5.56mm, 1:7, CHF Stainless Steel Barrel - Heavy Profile - 1898
Out of stock

PSA 20" 5.56mm, 1:7, CHF Stainless Steel Barrel - Heavy Profile - 1898

SKU 1898
Brand Palmetto State Armory
Model Number 63045-20-07-RSH
UPC 1898
Customers must read Compliance Information before purchasing.

Product Details


Barrel length: 20"

Hammer Forged 410 Stainless Steel
5.56 NATO Chamber
1 in 7" Twist rate
1/2 - 28 threadded muzzle
Target Crown
Heavy profile barrel
M4 Barrel extension
.750 gas block
3.3 lbs.
Matte Finish


PSA 20" 5.56 NATO Hammer Forged 410 Stainless Steel Heavy profile barrel.

The barrel bore is hammered into shape, with the lands and grooves of the bore formed around a tapered mandrel. This hammer forging process work hardens the steel, making it more durable.  

Chambered in 5.56 NATO

1/7 twist

M4 barrel extension

Recessed target crown

Rifle length gas port



Please check the barrel closely for any irregularities. It is the builder's responsibility to check headspace before assembling.

In the unlikely event you have an issue with a barrel, STOP AND DO NOT ASSEMBLE. Contact Customer Service.


Q & A

Retail Stock


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
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).