HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
HK MP5, MP5K Thread Protector - 1/2x32 - RH
HKP HK Parts
$14.95HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH This MP5/K thread protector is designed to safeguard your barrel threads from damage when a muzzle device is not in use. Made in the USA from high-quality steel, it offers durability and a precise fit...HKP-21829$14.95 -
HK MP5K, AP5-P Trigger Group
MKE
$479.95Century AP5-P, AP5-M Trigger Group This trigger group serves as a direct replacement for AP5-P, AP5-M, Zenith clones, and factory MP5K receivers. For customers needing compatibility with shelfed receivers, we also offer a clip-pin service as an optional...HKP-21668$479.95 -
Picatinny Optic Mount - Holosun 510C, HM3X Combo
Holosun
$599.95Holosun 510C & HM3X Combo - Optic & Magnifier The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum housing...HKP-21657$599.95 -
On Sale
HK MP5 Stock with Brace Adapter
HKP HK Parts / Magpul
Now: $149.95Was: $189.95Magpul HK MP5 Adapter with Stock MP5 DT Magpul stock ready to install on any in-spec MP5 receiver or clone. We take our AR MP5 Adapter and attach it onto a mil-spec buffer tube before combining it with the new Magpul DT Carbine stock. This is a great...HKP-21402-MNow: $149.95Was: $189.95 -
HK MP5K Trigger Housing - AR Match
Magpul
$349.95Magpul HK MP5K AR Trigger Housing This match-grade trigger housing is expertly crafted to elevate the performance of your HK MP5K. Our enhanced HK-AR Navy ambidextrous lower housing and Magpul MOE grip not only provide a modern aesthetic but also feature...HKP-21379-M$349.95 -
On Sale
JMAC G36K/HK33 Compensator (KeyMicro) - Threaded 15x1
JMAC Customs
Now: $86.95Was: $109.95JMAC G36K/HK33 (5.56/.223) Compensator (KeyMicro) - Threaded 15x1 In order to use this device with a suppressor, it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with bore rods...HKP-21257Now: $86.95Was: $109.95 -
HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED A perfect upgrade for your HK MP5 40/10 build. This is the only SEF style housing available for the MP5 40/10 family of firearms. Each housing is professionally clipped and pinned...HKP-20618$99.95 -
On Sale
HK MP7 A2 Parts Kit
H&K Heckler & Koch
Now: $14,485.95Was: $18,535.95HK MP7 A2 Parts Kit - German HK Available for the first time ever! Get your hands on an updated HK German MP7 A2 parts kit. Each demilled kit is factory original, unfired, and ships in the factory packaging with manuals. Perfect for a...HKP-20050Now: $14,485.95Was: $18,535.95 -
On Sale
KDG HK MR556 10" M-LOK Rail System
KDG Kinetic Development Group
Now: $279.95Was: $374.95KDG HK MR556 10" M-LOK Rail System Direct-mount rail system designed to replace the factory HK MR556 handguard. Features a continuous monolithic Picatinny rail at the 12 o’clock position and M-LOK mounting slots at the 3, 6, and 9 o’clock...HKP-19246Now: $279.95Was: $374.95 -
HK G36, SL8 Handguard - Side, Bottom Mounting
H&K Heckler & Koch
$279.95HK German G36 & HK SL8 Forearm With Rail Mounting Points Newer style that has the hard mounting points for the side and bottom rails. HK Black In Color. Compatible with all HK SL8's & G36E's models.HKP-01420$279.95 -
Keymount Muzzle Brake - Threaded 5/8x24
Wasatch Arms
$89.95Wasatch Arms Keymount Muzzle Brake - Threaded 5/8x24 The Wasatch Arms keymount brake is compatible with the Dead Air keymount system. The brake has no outisde flats, so there is no need for timing shims or crush washers...HKP-20298$89.95