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The Kimura Flash Hider from Fletcher Rifle Works is a muzzle device built to do double duty: it tames flash on its own and doubles as a rock solid mounting point once you’re ready to run a can. This version comes with the SIG taper shoulder, cut specifically to mate up with SIG Sauer’s Taper-Lok QD suppressor system, so alignment stays consistent every time you thread a suppressor on or take it back off.
Fletcher Rifle Works machined the Kimura out of 17-4 PH stainless and heat treated it to the H900 condition, which is the harder, higher-strength end of that alloy’s range. That matters at the muzzle, where a device sees repeated heat cycling and gas pressure every time you pull the trigger. It threads onto a 1/2×28 barrel, runs a .375 bore, and installs with a common 3/4 inch wrench, nothing exotic needed to get it torqued down correctly.
What sets the Kimura apart from a basic flash hider is the mounting flexibility built into that taper shoulder. Beyond working with SIG QD suppressors, it’s also compatible with Plan B and Q Cherry Bomb style adapters, which opens the door to running muzzle brakes or comps from those systems on the same shoulder geometry. That’s a handy option if you’re building a rifle that might switch between a straight flash hider setup and a suppressed configuration down the road, without having to swap the whole muzzle device every time your plans change.
Fletcher Rifle Works builds everything in-house out of their Texas shop, and the Kimura reflects that approach: a purpose built piece rather than something pulled off a generic parts catalog. For anyone running a 1/2×28 host gun and planning around SIG’s Taper-Lok suppressors, this is a straightforward way to get a durable flash hider now with a mounting shoulder that’s already dialed in for later.
This version is machined with the SIG taper shoulder, which is built to align with SIG Sauer’s Taper-Lok QD mounting system. That means it’s meant to pair with SIG QD suppressors that use that same taper design for quick attach and detach.
It’s cut for 1/2×28 threads, which is the standard pitch found on most 5.56 and .223 AR-15 style barrels. Just confirm your barrel is threaded 1/2×28 before ordering since other calibers often use different pitches.
Yes, the Kimura’s taper shoulder is compatible with both Plan B and Q Cherry Bomb style adapters. That gives you some flexibility if you want to mix and match mounting systems on the same barrel down the line.
A standard 3/4 inch wrench gets it torqued down properly. No special tools or crush washers are needed since the shoulder design handles alignment and timing on its own.
| UPC | 850044307531 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KIMURA1/2X28SIG |
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