Comp-STS is designed for maximum muzzle control when unsuppressed.
Comp-STS is compatible with prior generation HX 556, HX 762, and HX Magnum suppressors.
For military, LE and sporting enthusiasts. Full-auto rated for extreme conditions using 5.56 to .338 Lapua.
Designed and developed to meet specific government program requirements.
Muzzle devices, mounts and more.