PSA

Barrel: Phosphate coated Chrome Moly steel 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 standard flat dark earth handguard,  F-Marked gas sight base, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized.   Uppers include forward assist and dust cover.  These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Full-auto profile bolt carrier group.  Shot-peened, mil-spec Carpenter No. 158® steel bolt.  Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.  

Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for caliber. Finish is hardcoat anodize.. Mil-spec diameter 7075-T6 buffer tube is hardcoat anodized, has 6 adjustment positions, is fitted with a PSA M4 Carbine Stock.   The the fire control group is a PSA mil-spec finished, single-stage assembly.

Caliber:  5.56 NATO

Barrel Length:  16 inches

Barrel Profile:  M4

Barrel Steel:  Chrome Moly Vanadium

Barrel Finish: Phosphate 

Chrome Lining:  No

Muzzle Thread Pattern:  1/2" x 28

Twist Rate:  1 in 7"

Barrel Extension:  M4

Gas System Length:  Carbine

Diameter at Gas Block:  .750"

Gas Block Type:  F-marked Front Sight Base

Muzzle Device:  A2 -style

Receiver Material:  Forged 7075-T6

Receiver Type:  M4

Handguard Type:  M4 with heat shields

Bolt Material:  Carpenter 158 Steel

Bolt Carrier Profile:  Full Auto

Fire Control Group:  Standard Mil-Spec Trigger Group

Grip:  A2-style

Stock:  M4-style

Buffer Tube Length:  Carbine

Buffer Tube Diameter:  Mil-spec

Overall Length:  32 inches

Weight (as configured):  6.8 lbs