A1 QD Flash hider

Silent Steel A1 QD Flash hider is a suppressor mounting muzzle device. The new model is standard A1 type flash hider. No indexing needed.

Technical Specifications:

Lenght: 62mm
Diameter: 22mm
Weight: 120g
Material: 25CrMo4
Surface treatment: Nitriding

Threads / models:

A1 flash hiders are for 5.56 and 7.62 calibers.

M15x1 Heckler & Koch 5.56
M15x1 Heckler & Koch 7.62
1/2″x28 Sig MCX 5.56
5/8″x24 Sig MCX 7.62
1/2″x28 FN SCAR MK2 5.56 (31mm long thread)
M14x1LH Bren 2 5.56
M18x1,5 LH PKM machine gun 7.62

More info:

Taper at the front of the thread ensures solid lock up and minimal/repeatable POI shift and it also effectively blocks fouling from entering the mounting surfaces.

The heat resistant o-ring behind the thread secures the suppressor tightly on the flash hider and suppressor will not loosen up by itself. The heat resistant o-ring peak temperature resistance is 400c degrees. In our test the muzzle device temperature, with AR15 equipped with 5.56 Compact Streamer, was 280c degrees after 6 x 30 rounds magazines in row.

How to buy our products

Silent Steel products are available through retailers.

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