The GO15 12.5" Upper Receiver is built for performance and reliability. Featuring a 12.5" Monolith barrel with a 1:7 twist, machined from a single piece of 41V50 ordnance-grade steel, it integrates...
The GO15 16" Upper Receiver is built for performance and reliability. Featuring a 16" Monolith barrel with a 1:7 twist, machined from a single piece of 41V50 ordnance-grade steel, it integrates the...
The GO15 16" Upper Receiver is built for performance and reliability. Featuring a 16" Monolith barrel with a 1:7 twist, machined from a single piece of 41V50 ordnance-grade steel, it integrates the...