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The M15x1 thread pitch is a niche one, mostly found on HK91, G3 clones, PTR-91 rifles and similar roller-lock builds, and finding a quality quick-detach muzzle device for those guns can be a chore. SilencerCo covered it with the AC233 version of their ASR Flash Hider, giving .30 cal and 7.62 HK-pattern rifles a proper home in the ASR suppressor ecosystem without adapters or workarounds.
As a standalone flash hider, the three-prong design does a solid job knocking down muzzle flash and protecting your night vision when the light gets low. Where it separates itself from the pack is the resonance suppression built into the prongs. Anyone who has run a bare three-prong device knows the tuning fork ping that hangs in the air after each shot. SilencerCo engineered that out, so you get flash reduction without the ring. The blackened nitride finish shrugs off heat and corrosion, which matters on a part that lives at the hottest, dirtiest end of the barrel.
The real reason most folks buy this piece is the ASR interface. Active Spring Retention is SilencerCo's quick attach system, and it comes standard on cans like the Omega 300, Omega 36M, Hybrid 46M, Chimera 300, Saker ASR and Specwar line, plus plenty of others when paired with an Alpha, Bravo or Charlie ASR mount. Spin your suppressor on with one hand, and the locking ring keeps it from rotating or backing off even under a hard firing schedule. Coming off is just as easy. If you run several rifles, drop an ASR muzzle device on each one and move a single can between them in seconds.
Installation is straightforward since flash hiders are not timing sensitive the way brakes are. No shims or thread compound are required, which is why none come in the package. Thread it on, torque it down, and you are set. For anyone running a suppressed HK-pattern .308, this is one of the cleanest mounting solutions out there.
M15x1 right-hand is the HK spec found on .308 roller-lock rifles like the HK91, G3 clones and PTR-91 pattern guns. If your barrel is threaded M15x1 and you are shooting .30 cal or 7.62, this is the version you want. SilencerCo makes the same flash hider in other pitches like 5/8×24 and 1/2×28 for more common barrels.
It works with any suppressor running SilencerCo's ASR mounting system. That includes the Omega 300, Omega 36M, Hybrid 46M, Chimera 300, Saker ASR and Specwar families, which have ASR built in. Many other cans, including some from other brands, can join the party with an Alpha, Bravo or Charlie ASR mount.
No. Flash hiders are not timing sensitive like muzzle brakes, so shims and thread compound are not required, and none are included in the package. Just thread it onto a clean barrel and torque it to spec.
That is one of its best tricks. SilencerCo built resonance suppression into the prongs specifically to eliminate the tuning-fork ping that plagues most three-prong flash hiders. You get the flash reduction of a prong design without the lingering hum after each shot.
| UPC | 817272011708 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AC233 |
| Caliber/Gauge | .30 Carbine |
| Color | Black |
| Model | |
| Product Type | Accessory-Flash Hiders |
| Shipping Weight | 0.0 |
| Thread Pattern | M15x1 |
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