HSM Subsonic Features The HSM Subsonic .45-70 Gov load is loaded with a heavy-for-caliber 550 grain hard cast long flat nose bullet optimized for rifles run with a suppressor where quiet controlled shooting matters most. Traveling at a genuinely subsonic 1002 fps the round avoids the sonic crack that betrays a shot s location keeping the report to a near whisper when paired with a quality suppressor. The wide flat nose design ensures reliable knockdown power and consistent penetration for ethical harvesting of game even at these reduced velocities. Every round is loaded with premium components and put through rigorous quality control to deliver consistent performance from box to box. With 1226 ft lbs of muzzle energy this subsonic load retains serious terminal performance despite its reduced velocity making it effective on hogs deer and predators in heavy cover. The hard cast bullet construction resists deformation and drives deep a favored trait among hunters who prioritize penetration over expansion in dense-cover hunting situations. Loaded in brass cases the ammunition is built to HSM s exacting standards for reliability in the field or at the range. Whether pursuing predators at night or hunting big game in thick brush this HSM Subsonic .45-70 load delivers suppressed-shooting performance without compromise. HSM Subsonic Specifications Brand: HSM Line: Subsonic Caliber: .45-70 Gov Bullet Weight: 550 gr Bullet Type: Hard Cast Long Flat Nose Bullet Coating: Hi-Tek Muzzle Velocity: 1002 fps Muzzle Energy: 1226 ft lbs Rating: Subsonic Rounds Per Box: 20 Casing Material: Brass Available At: GrabAGun