Product Details
MSRP $109.25
MPN CM4-F-UPPER
Description
Specifications: Machined to MIL spec from 7075 T6 forgings Top MIL-Std 1913 Rail Hardcoat Anodized per MIL-A-8625F, Type III, Class 2 For Use with M4 Barrel extensions Assembled Upper Receivers come with ejection port cover and forward assist installed Made in America on American-made machines Weight: .8.3oz