Out of stock
BLEM PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020B
Out of stock

BLEM PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020B

SKU 507020B
Brand Palmetto State Armory
Model Number 507020B
UPC 507020B
Customers must read Compliance Information before purchasing.

Product Details


Barrel Length 10.5"

Carbine Gas System

Nitride finish Barrel

4150V Chrome Moly Vanadium barrel steel

5.56 NATO Chamber

1 in 7" Twist Rate

Chrome Lining - None

Barrel Extension:  M4

Handguard Type: PSA Classic Polymer

F-Marked Front Sight Post

Muzzle Thread:  1/2-28

Muzzle Device:  A2 Flash Hider 

Receiver Material: Forged 7075 T6

Bolt Carrier Group Included: No

Bolt Steel: N/A

Bolt Carrier Profile: N/A

Charging Handle included: No

Overall Length:  18.5"

 ** These uppers will have cosmetic blemishes that do not affect function. This may include, but is not limited to, forging marks under the finish, scratches, slight variation in the finish color coat.


Barrel: Nitride finished 4150V chrome moly vanadium barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is is finished off with a classic carbine-length handguard, F-Marked gas sight base, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.


Bolt carrier group and charging handle are NOT included.



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.
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).