HK91 / G3 / HK51 Muzzle Devices / Adapters
Customize the look and function of your HK G3/91. Choose from authentic HK flash hiders, effective muzzle brakes from top brands, and thread adapters for suppressors or other accessories.
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HK91, G3, HK33, HK53, HK93 Blank Firing Barrel Adapter - Threaded 15x1 RH
H&K Heckler & Koch
$39.95Heckler and Koch Blank Firing Adapter for HK Rifle Barrels 5.56 / .223 and 7.62x51 / .308) German blank firing adapter used from the German military. Best quality and price in the country by the best...HKP-15593$39.95 -
HK33, HK53, HK93, HK91, HK G3 Flash Hider - Threaded 15x1 - Used
H&K Heckler & Koch
$15.95Heckler and Koch's Flash Hider - 15x1 RH - Used Used / surplus HK German flash hider threaded 15x1 RH. Please inspect pictures to ascertain the average condition of these flash hiders. Compatible...HKP-00717$15.95 -
Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH
HKP HK Parts
$29.95HKP muzzle brake threaded 5/8x24 RH for 5.56/.223 and 7.62x51/.308 firearms This HKP muzzle brake is manufactured in the USA to HK specifications and is designed for use on 5.56 and .308 rifles. It...HKP-22508$29.95 -
On Sale
HK91, G3 Blast Can - Threaded 5/8x24
MI Midwest Industries
Now: $24.83Was: $38.95MI Blast Can 5/8x24 Thread Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does nHKP-21536Now: $24.83Was: $38.95