Muzzle Devices / Adapters
Explore our extensive selection of HK flash hiders and muzzle brakes designed to enhance your shooting experience. Our range includes everything from precision-machined suppressor-compatible devices to quick-detach muzzle brakes, all tailored to fit popular HK models like the MP5, HK416, and UMP. Ideal for tactical upgrades, these components offer significant recoil reduction and improved accuracy. Available in various finishes including Cerakote, our flash hiders and muzzle brakes ensure compatibility across a wide range of HK firearms, enhancing both performance and aesthetics.
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Out Of StockOn Sale
PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH
PTR
Now: $22.45Was: $24.95PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH The PTR Flash Hider is made in the USA to the exact specifications of the original HK flash hider, following strict HK standards. This flash hider offers the best quality and price in the country,...Now: $22.45Was: $24.95 -
HK 9mm Adapter - 3 Lug - Threaded 13.5x1 LH
HKP HK Parts
$49.95HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH The HK Parts 3-Lug Adapter is internally threaded in 13.5x1 left hand. Our adapter allows the attachment of common 3-lug accessories: flash hiders, compensators, suppressors, etc. This is the finest machined HK...$49.95 -
On Sale
HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH
HKP HK Parts
Now: $23.96Was: $29.95HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-purpose accessory that functions as both a compensator and thread protector. It easily attaches to any factory-spec .578x28 RH .45...Now: $23.96Was: $29.95 -
On Sale
HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD
HKP HK Parts
Now: $87.96Was: $109.95HKP MP5, MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to MP5-spec. 9mm tri-lug barrels. This HK muzzle brake features the new style locking latch that seats flush and doesn't come off while shooting like the 1st generation style were prone to...Now: $87.96Was: $109.95 -
On Sale
HK Retaining Ring - Flash Hider
H&K Heckler & Koch
Now: $1.34Was: $1.49HK Flash Hider Retaining Ring Brand new HK German manufacture. HK flash hider, muzzle break retaining ring. This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a positive lockup of...Now: $1.34Was: $1.49 -
On Sale
HK MP5, MP5K Flash Hider - 3 Lug - 9mm
HKP HK Parts
Now: $79.96Was: $99.95MP5, MP5K Flash Hider - 3-Lug - 9mm Installs & un-installs in seconds. New style HK flash hider with the latest style locking latch that sits flush when locked. Made in the USA from ordnance grade steel. Compatible With: HK MP5 HK MP5K HK...Now: $79.96Was: $99.95 -
On Sale
PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH
PTR
Now: $23.36Was: $25.95PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH Correct HK threading 15x1 right hand with HK style retaining spring to latch on the HK splined barrel. Made in the US and counts as one US 922r compliant part. Specifications: Threaded...Now: $23.36Was: $25.95 -
On Sale
HK90 Series Flash Hider - Bird Cage Style - Threaded 15x1 RH
PTR
Now: $17.95Was: $19.95PTR Bird Cage Flash Hider - Threaded 15x1 for 5.56/.223, and 7.62x51/.308 Crafted to exact Heckler and Koch specifications. Featuring the correct 15x1 RH thread, it's a perfect match for HK barrels and qualifies as one 922r compliant part...Now: $17.95Was: $19.95 -
Out Of StockOn Sale
HK Style 9mm Adapter - 3 Lug - Suppressor - Threaded 1/2x28 RH
Kaw Valley Precision
Now: $33.26Was: $36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 1/2x28 RH The KVP 3-Lug Adapters are precision engineered to replicate the popular HK pattern 3-Lug interface. Crafted with meticulous attention to concentricity, these adapters ensure...Now: $33.26Was: $36.95 -
On Sale
HKP HK Mark 23 .45 ACP Micro Comp - Threaded 16x1 RH
HKP HK Parts
Now: $23.96Was: $29.95HKP HK Mark 23 .45 ACP Micro Comp - Threaded 16x1 RH The HK Parts Micro Comp & Thread Protector is a lightweight, fully functional accessory that serves as both a compensator and thread protector. It attaches easily to any factory spec 16x1 RH Mark...Now: $23.96Was: $29.95 -
Out Of StockOn Sale
MP5, MP5K, APC Muzzle Brake - Quick Detach - 3-Lug - 9mm
B&T Brugger & Thomet
Now: $126.00Was: $140.00B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug B&T Swiss manufactured QD muzzle brake for HK tr-lug pattern firearms. Specifications: Diameter 31 mm Length 73 mm Steel QPQ Treated Quick Detach Compatible With: HK MP5, MP5K HK SP5,...Now: $126.00Was: $140.00 -
On Sale
HK SP5K Micro Comp - Knurled - Threaded 1/2x28
HKP HK Parts
Now: $21.56Was: $26.95HKP HK SP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 Our SP5 micro comp has the appearance of a standard factory style thread protector but now extended and slotted to provide a micro comp feature. The added slots help mitigate gasses allowing the...Now: $21.56Was: $26.95