HSM Match Subsonic .308 Winchester ammunition (part no. 3085N) loads a 175-grain Sierra Hollow Point Boat Tail bullet at reduced velocity, built specifically for suppressed precision shooting. HSM builds this load around the proven Sierra MatchKing-style HPBT, a match bullet designed for exceptional accuracy rather than terminal expansion, so it holds tight groups without the reliability concerns of a hunting bullet at subsonic speed. Staying below the speed of sound keeps a suppressed rifle quiet, without the supersonic crack a standard .308 load would produce. For precision and tactical shooters running a suppressor, this is rifle ammunition built for consistent, quiet target work.

Key Specifications

• The chambering is .308 Winchester, running in the standard AR-10 and bolt-action .308 rifle platforms.
• The bullet weighs 175 grains, a heavy match weight suited to reduced subsonic velocity.
• The bullet is a Sierra Hollow Point Boat Tail, a match-grade design built for accuracy rather than expansion.
• The load runs at subsonic velocity, staying under the speed of sound for suppressed shooting.
• Subsonic velocity eliminates the supersonic crack that would otherwise carry through a suppressor.
• The boat-tail profile holds tight, consistent groups at target and tactical distances.
• Each box holds 20 rounds, enough for a focused precision session.
• Cost runs about $2.20 a round, in line with match-grade subsonic loads.

Frequently Asked Questions

Is this bullet designed to expand like a hunting round? No, the Sierra HPBT is a match bullet built for consistent, accurate flight, not terminal expansion.

Why run subsonic ammunition with a suppressor? Staying below the speed of sound removes the supersonic crack a suppressor cannot silence, keeping the shot genuinely quiet.

Is this load suited for precision or tactical use? Both; the subsonic velocity and match-grade HPBT bullet are built for quiet, consistent target and tactical shooting.

Buy HSM Match Subsonic .308 Win 175gr Ammo

A suppressed .308 is only as quiet as the ammunition behind it, and this subsonic match load is built for exactly that job. Run it through your can and trust the Sierra HPBT to hold your group together. Order from our Lubbock, Texas gun shop and it ships fast to your door.