The Yankee Hill Machine sRx Short QD Flash Hider 5/8×24 (brand part no. YHM-4445-24) is the compact flash hider in YHM’s sRx quick-detach line, cut for 5/8×24 muzzles. Its 1.8125-inch body is shorter than the Long version, and its .75-inch diameter is slimmer too. Yankee Hill lists it for .45 caliber, and it mounts a suppressor through the sRx adapter and an internal taper seal. It is made in the USA from 4140 steel, finished in black.

Key Specifications

• The muzzle thread is 5/8×24, a common pitch on rifles and pistol-caliber hosts alike.
• The body is 1.8125 inches long, the compact sRx flash hider length.
• It adds 1.175 inches to the barrel on barrels with .6-inch threads, according to Yankee Hill.
• The diameter is .75-inch, slimmer than the Long and Mini sRx devices.
• It weighs 1.504 ounces, light for a quick-detach mount.
• The material is 4140 steel, a tough alloy suited to muzzle devices.
• The finish is black, matching typical firearm hardware.
• Yankee Hill lists it for .45 caliber.
• The design is timeless, so there is no shim or clocking to the barrel.
• An internal taper seal before the threads locks the device to the adapter and contains carbon buildup.

Frequently Asked Questions

How does the Short flash hider compare with the Long? The Short is 1.8125 inches long with a .75-inch diameter, and it adds 1.175 inches to a barrel with .6-inch threads. The Long is 2.3 inches long with a .9375-inch diameter.

What do I need to attach a suppressor? Yankee Hill specifies that it must be paired with the sRx adapter (part no. YHM-4400), which attaches to suppressors with industry-standard 1-3/8×24 HUB threads.

Does Yankee Hill make this in other thread pitches? Yes. The sRx Short Flash Hider is offered in several pitches including 5/8×24, 5/8×32, 11/16×24 and 1/2×28, so make sure this 5/8×24 matches your muzzle.

Buy the Yankee Hill Machine sRx Short QD Flash Hider 5/8×24

For shorter host firearms or tight handguards, the Short sRx hider keeps the muzzle compact while still giving you a quick-detach suppressor mount. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and browse more Class 3 parts and accessories while you are here.