Muzzle Devices / Adapters

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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    New - H&K HK G36C Flash Hider - Black - HKP-00630 HK G36C, SL8 Flash Hider
    Add to Cart

    HK G36C, SL8 Flash Hider

    H&K Heckler & Koch

    Now: $149.95
    Was: $165.99
    H&K G36C (5.56/.223) G36C Flash Hider - Threaded 15x1 RH Threaded 15x1. Perfect for HK rifle barrels and conversion barrels. Specifications: Threaded 15x1 RH Compatible With: HK G36C HK SL8 5.56/.223 Firearms Threaded 15x1 RH
    HKP-00630
    Now: $149.95
    Was: $165.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $149.95
    Was: $165.99
    Subtotal:
    Add to Cart
  • On Sale
    New - Smith Enterprises .40 S&W 4 Prong Vortex Flash Hider - Threaded 14.5x1 LH - HKP-02378 Pistol Flash Hider - Vortex - .40 S&W - 4 Prong - Threaded 14.5x1 LH
    Add to Cart

    Pistol Flash Hider - Vortex - .40 S&W - 4 Prong - Threaded 14.5x1 LH

    Smith Enterprises

    Now: $67.95
    Was: $79.95
    Smith Enterprises .40 S&W 4 Prong Vortex Flash Hider - Threaded 14.5x1 LH Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance possible. Specifications: Made In The...
    HKP-02378
    Now: $67.95
    Was: $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $67.95
    Was: $79.95
    Subtotal:
    Add to Cart
  • On Sale
    New - B&T HK91, G3 (7.62x51/.308) Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH - HKP-21518 HK91, G3 Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH
    Add to Cart

    HK91, G3 Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH

    B&T Brugger & Thomet

    Now: $93.95
    Was: $109.95
    B&T Brugger and Thomet Flash Hider for M.A.R.S Suppressor, Threaded 15x1 RH for HK91 and HK G3 7.62x51 / .308 Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shims Compatible With: HK91, G3, PTR HK417, MR762 HK PSG1 7...
    HKP-21518
    Now: $93.95
    Was: $109.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $93.95
    Was: $109.95
    Subtotal:
    Add to Cart
  • On Sale
    HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount
    Add to Cart

    HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount

    JMAC Customs

    Now: $99.95
    Was: $116.95
    5/8x24 - Plan B Taper Mount Flash Hider for HK G3, HK417, HK33, HK53, HK93  The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters...
    HKP-22412
    Now: $99.95
    Was: $116.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $99.95
    Was: $116.95
    Subtotal:
    Add to Cart
  • On Sale
    New - JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro) - HKP-21825 HK416, MR556 Facemount KeyMount (KeyMicro) - 360HD 1/2-28 FD
    Add to Cart

    HK416, MR556 Facemount KeyMount (KeyMicro) - 360HD 1/2-28 FD

    JMAC Customs

    Now: $112.95
    Was: $124.95
    JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro) The JMac Customs 360HD is a high-performance muzzle device designed for superior durability, recoil mitigation, and compatibility with suppressors. Engineered with 360° ports for optimal...
    HKP-21825
    Now: $112.95
    Was: $124.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $112.95
    Was: $124.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - H&K HK MR762 Factory Flash Hider - 15x1 RH - HKP-21481 HK MR762 Factory Flash Hider - 15x1 RH

    HK MR762 Factory Flash Hider - 15x1 RH

    H&K Heckler & Koch

    $54.95
    H&K HK MR762 Factory Flash Hider - 15x1 RH Factory flash hider with 15x1 right-hand threads. Perfect for completing a build or replacing a worn or missing part. Compatible With: HK MR762  
    HKP-21481
    $54.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
    Out Of Stock
  • On Sale
    HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
    Add to Cart

    HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount

    JMAC Customs

    Now: $105.95
    Was: $116.95
    1/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223  The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and...
    HKP-22408
    Now: $105.95
    Was: $116.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $105.95
    Was: $116.95
    Subtotal:
    Add to Cart
  • On Sale
    New - MKE AP5 Incomplete Flash Hider - HKP-22223 MKE AP5 Incomplete Flash Hider MKE HKP-22223
    Add to Cart

    Century Arms AP5 Flash Hider - Incomplete

    MKE

    Now: $37.46
    Was: $79.95
    MKE AP5 Incomplete Flash Hider The MKE AP5 and MKE AP5-P OEM flash hider is an essential spare for anyone needing to replace a broken or damaged flash hider body. With a straightforward process, you can easily remove the locking latch, spring, and pins...
    HKP-22223
    Now: $37.46
    Was: $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $37.46
    Was: $79.95
    Subtotal:
    Add to Cart
  • On Sale
    HK G3K, HK33K Flash Hider - 4 Prong - Open HK G3K, HK33K Flash Hider - 4 Prong - Open
    Add to Cart

    HK G3K, HK33K Flash Hider - 4 Prong - Open

    RCM

    Now: $169.95
    Was: $187.95
    RCM HK G3K/HK33K Flash Hider - 4 Prong - Open The RCM G3K and HK33K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in the US from ordnance grade steel and counts as 1 922r...
    HKP-21599
    Now: $169.95
    Was: $187.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $169.95
    Was: $187.95
    Subtotal:
    Add to Cart
  • On Sale
    New - H&K 53 (5.56/.223) Frangible Ammunition Adapter - 15x1 - HKP-16978 HK53 Frangible Ammunition Adapter - 15x1
    Add to Cart

    HK53 Frangible Ammunition Adapter - 15x1

    H&K Heckler & Koch

    Now: $134.95
    Was: $149.95
    New HK 53 Factory 4 Prong Frangible Ammunition Adapter - 15x1 RH Get your hands on one of the last HK factory frangible adapters while we still have remaining inventory of this limited item.  This part is no longer in production so once they are...
    HKP-16978
    Now: $134.95
    Was: $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $134.95
    Was: $149.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    On Sale
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HKP HK Parts

    Now: $65.95
    Was: $149.95
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of both...
    HKP-19338-USED
    Now: $65.95
    Was: $149.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $65.95
    Was: $149.95
    Subtotal:
    Out Of Stock
  • Out Of Stock
    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HKP HK Parts

    $27.95
    HKP HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH Steel flash hider designed for HK23, HK21, and HK11 pattern firearms and is threaded 15x1 right hand. Helps reduce visible muzzle flash while maintaining an original-style HK profile. Compatible...
    HKP-22484
    $27.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
    Out Of Stock
  • Total: items /

Adding your products to cart

View Cart Continue Shopping