Manufacturer: Palmetto State Armory
Product Line: PA-15
Platform: AR-15
Includes: Stealth Lower
Furniture: Classic
Finish: Olive Drab Green
FEATURES
Machined from Aluminum Forgings 7075-T6
Hardcoat Anodizing: MIL-A-8625F, Type III, Class 2
Milspec diameter Receiver Extension
M4 Stock, ODG
Staked M4 Lock Nut
Standard Carbine Buffer
Barrel Length: 16"
Gas System: Mid-length
Barrel Profile: A2 Style
Barrel Steel: 416R
Barrel Finish: Stainless Steel
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6 No T-marks
Receiver Type: M4
Handguard Type: PSA 13.5" Lightweight M-Lok Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Overall Length: 24.5"
FEATURES
Barrel: 416R Stainless steel. Chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a mid-length gas system. The barrel is finished off with a .750" low-profile gas block, 13.5" PSA lightweight M-Lok free-float rail, and A2 flash hider.
Upper: Forged 7075-T6 A3 AR stealth upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.  No T-marks or logos on the receiver for a more uniform and understated appearance.
Bolt Carrier Group: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked.