New Arrivals
Shop the latest arrivals at HKP! We have a wide selection of new and innovative products for your HK MP5, HK SP5, HK P30, HK VP9, HK USP, and more. Whether you're looking for performance upgrades, cosmetic enhancements, or simply want to keep your H&K in top condition, we have you covered. Shop our new arrivals today and get the latest gear for your favorite HK firearm.
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Out Of StockOn Sale
Zenith MP5K, SP5K Folding Stock
Zenith
Now: $89.95Was: $99.95Zenith HK MP5K, SP5K, SP89 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5K receivers. Specifications: Polymer and fiberglass reinforced Weight:...Now: $89.95Was: $99.95 -
On Sale
HK91, G3, PTR Magazine - 10 Round - Alloy
H&K Heckler & Koch
Now: $34.16Was: $37.95H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using a US-made floorplate. Compatible With: HK91 HK...Now: $34.16Was: $37.95 -
B&T APC, SPC, GHM Super APC Trigger
Geissele
$378.95B&T APC, SPC, GHM Super APC Trigger Geissele limited edition trigger made specially for B&T firearms. The Super APC trigger features the same crisp, single-stage feel and quick reset of the Geissele Super 3-Gun. Trigger pull weight is also...$378.95 -
On Sale
HK USP Magazine - 9mm - 10 Round - Standard Floorplate
H&K Heckler & Koch
Now: $49.46Was: $54.95HK USP9 Magazine - 10 Round - Standard Floorplate Factory 10-round magazine for the HK USP9, featuring a standard floorplate. Compatible With: HK USP 9mmNow: $49.46Was: $54.95 -
On Sale
HK MP5, MP5K Folding Stock or Brace - HDA3
Haga Defense
Now: $314.95Was: $349.95HDA3 Stock and Brace for MP5K, SP5K The HDA3 is a modular, USA-made stock and brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...Now: $314.95Was: $349.95 -
On Sale
HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
JMAC Customs
Now: $105.26Was: $116.951/2x28 - 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...Now: $105.26Was: $116.95 -
On Sale
HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount
JMAC Customs
Now: $105.26Was: $116.951/2x28 - Plan B Taper Mount Flash Hider for MP5 & MP5K This flash hider is specifically designed for use on MP5, MP5K, and clone firearms featuring the MP5-spec. tri-lug. The internal profile clears the front of the tri-lugs when installed...Now: $105.26Was: $116.95 -
On Sale
HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount
JMAC Customs
Now: $105.26Was: $116.955/8x24 - 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...Now: $105.26Was: $116.95 -
On Sale
Arm Brace Hook
MI Midwest Industries
Now: $88.16Was: $97.95Midwest Industries Arm Brace Hook The Arm Brace Hook is designed for pistols that use a 1.2" diameter buffer tube. It provides a secure and stable point of contact while offering a built-in, ambidextrous QD sling interface. Specifications: Works with...Now: $88.16Was: $97.95 -
On Sale
HK MR762 A4 Upper Receiver Kit - 13"
H&K Heckler & Koch
Now: $2,249.95Was: $2,499.95HK MR762 A4 Upper Receiver Kit - 13" The MR762 A4 kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon fouling and...Now: $2,249.95Was: $2,499.95 -
On Sale
HK MP5 Optic Mount - Raised - Burris FastFire - 3.5 MOA
HKP HK Parts / Aimpoint
Now: $458.95Was: $509.95HK MP5 Burris FastFire 3.5 MOA Red Dot with Raised Optic Mount The HKP Raised optic mount was designed to elevate the sight to a height that is both comfortable and easy to view, while retaining an unobstructed view of the factory sights. Get the best of...Now: $458.95Was: $509.95 -
On Sale
HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
MI Midwest Industries
Now: $107.95Was: $119.95Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting...Now: $107.95Was: $119.95