These receivers are M4A4 mil-contract upper receivers. The finest upper receivers on the market, period. Features: Machined from 7075 aluminum forgings, M4 feed ramps, Marked 'M4' above gas tube inlet hole, Hard black-anodized finish. NON T-Marked. 100% USA Made
Brand: Unbranded - SKU: - Model: - UPC: 3393804102986
Manufacturer | Unbranded |
UPC | 3393804102986 |
Secondary Description | UNBRANDED-AR Forged A4 Stripped Upper Receiver |