PSA PA-15 16"Phosphate A2 Mid-Length 5.56 NATO Classic AR-15 Rifle, Gray

Barrel Length:  16 inches
Barrel Profile:  A2
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: Mid-Length
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:  Mid-Length Classic with heat shields, Gray
Bolt Material:  Carpenter 158 Steel
Bolt Carrier Profile:  Full Auto
Fire Control Group:  Standard Mil-Spec Trigger Group
Grip:  A2-style, Gray
Stock:  M4-style, Gray
Buffer Tube Length:  Carbine
Buffer Tube Diameter:  Mil-spec
Overall Length:  32 inches
Weight (as configured):  6.8 lbs