Product Description
Brn-4 16'' Chrome Lined Assembled Upper ReceiverCartridge : AKK_5.56 x 45
Color : Black
Contour : Medium
Finish : Manganese Phosphate
Length : 23.5''
Make : Brownells
Make/Model : Brownells|BRN-4
Model : BRN-4
Style : Assembled
Twist : 1-7