Product Overview
One Horse 6mm ARC upper: 18" 416R stainless HBAR barrel, 1:7.5 twist, rifle-length gas, 15" M-LOK, 5/8x24 thread. Fits mil-spec AR-15 lowers.
Showroom only: browse here, buy in store · Inside Silver Lake Mall, 200 W. Hanley Ave. · Open 7 days · 208-667-7831
One Horse 6mm ARC upper: 18" 416R stainless HBAR barrel, 1:7.5 twist, rifle-length gas, 15" M-LOK, 5/8x24 thread. Fits mil-spec AR-15 lowers.