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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HK91, G3 Stock - AR15 Style - Complete Assembly
PTR
$274.95PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use The popular Magpul MIL-SPEC Moe...HKP-15614$274.95 -
On Sale
HK91, G3 Tactical Rail - 3 Inch
HKP HK Parts
Now: $9.95Was: $14.95HKP Tactical Rail - 3 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-00894Now: $9.95Was: $14.95 -
Out Of Stock
HK SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended
H&K Heckler & Koch
$74.95HK German SEF Extended Axle Selector Lever For Polymer Housings - Extended The HK Extended SEF Long Axle Selector Lever is designed for use with polymer SEF-type grips or trigger housings. This extended lever provides enhanced control and ease of use,...HKP-19027$74.95 -
HK MP5 4 Position Burst Trigger Group 0,1,3,F
H&K Heckler & Koch
$3,299.95H&K MP5 4 Position Burst Trigger Group 0,1,3,F MP5 4 Position Burst 0,1,3,F Trigger Group Complete - HK GermanyNew HK German factory fresh 9mm MP5 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is...HKP-01496$3,299.95 -
HK G36C Quad Rail Handguard
B&T Brugger & Thomet
$269.95B&T handguard Quad Rail for HK G36C Swiss made B&T quad-rail (4 picatinny rails one for each side) handguard for HK G36C. Aluminum version with rail cover and sling swivel. This is the absolute best quality railed handguard available for the HK...HKP-16896$269.95 -
HK MP5K Vertical Foregrip - OD Green
HKP HK Parts
$34.95MP5K Vertical Grip O.D Green - USA New OD green MP5K K-Grip handguard for MP5K and the ever popular MP5K-Reverse stretch models. Now you can further customize your MP5K/ SP5K with this new color grip and, best of all, it counts as 1 U.S compliant part...HKP-20592$34.95 -
HK MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal
H&K Heckler & Koch
$199.95H&K MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal The ultimate solution for MP5 and SP5 style receivers, this universal trigger housing simplifies swapping between receivers. German HK-manufactured, it allows you to easily transfer your...HKP-20326$199.95 -
HK417, MR762, G28 Buttstock - Adjustable
H&K Heckler & Koch
$347.95 - $425.95H&K HK MR762/417/G28 Adjustable Buttstock The HK G28 adjustable stock upgrade is to be used on the MR762, HK 417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for length of pull as well as the cheek...HKP-16721-M$347.95 - $425.95 -
HK33, HK53, HK93 Recoil Spring
H&K Heckler & Koch
$8.95HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom buildsHKP-02097$8.95 -
HK MP5, MP5F Recoil Rod Assembly - 9mm / 10mm / .40 S&W / .357 SIG
HKP HK Parts
$49.95MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...HKP-17833$49.95 -
HK MP5F, MP5 40,10 Factory Recoil Spring
H&K Heckler & Koch
$14.95HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...HKP-01061$14.95 -
HK MP5K Dual Folding Stock and Adapter
B&T Brugger & Thomet / Strike Industries
$319.95Strike Industries Dual Folding Stock with HKP MP5K Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5K picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock configuration...HKP-21428-M$319.95