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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HK33, HK53, HK93 Locking Piece # 7 - 55 Degree
RCM
$49.95RCM HK 93/53/33 # 7 Locking Piece 55 Degree New 55 Degree #7 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable locking...HKP-16556$49.95 -
HK MP5K Trigger Group - Burst 0,1,3,F
H&K Heckler & Koch
$3,299.95Heckler and Koch HK MP5K 4 Position (0,1,3,F) Burst Trigger Group New HK German factory fresh 9mm MP5K 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is complete with trigger pack, left and right selector...HKP-00403$3,299.95 -
Out Of Stock
HK MR556, MR762 A4 45 Degree Ambi Safety Lever
H&K Heckler & Koch
$52.00H&K MR556/MR762 A4 45 Degree Ambi Safety Lever Genuine H&K ambidextrous 45-degree safety lever for MR556 and MR762 A4 rifles. Includes: Right safety lever Left safety lever Safety lever clamping...HKP-22034$52.00 -
HK MP5 M-LOK Wide Handguard
H&K Heckler & Koch
$98.95H&K MP5 M-LOK Wide Forearm Genuine HK wide forearm with the addition of M-LOK slots for a unique, functional handguard solution. This is a great option for those that want a genuine HK handguard with the versatility of M-LOK attachment...HKP-21870$98.95 -
On Sale
HK G36, HK33 Flash Hider - KeyMount, KeyMicro - Threaded 15x1
JMAC Customs
Now: $87.98Was: $109.95JMAC HK G36/HK33 (5.56/.223) Flash Hider KeyMount (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...HKP-21255Now: $87.98Was: $109.95 -
HK USC Faux Suppressor - .45 ACP
HDPS
$180.99HDPS HK USC Faux Suppressor - .45 ACP Second-generation HDPS faux sound suppressor for the HK USC. This latest-production model is an integral one-piece design milled from a solid billet of aircraft-grade aluminum, with no separate parts to loosen,...HKP-02369$180.99 -
HK UMP, G36 Buttstock Locking Piece Button
H&K Heckler & Koch
$14.95HK G36 & UMP Buttstock Push Button This is a factory HK German replacement button for the HK G36 and HK UMP stock.HKP-02468$14.95 -
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 -
HK33 Slimline Handguard
H&K Heckler & Koch
$59.95H&K HK HK33 Slimline Forearm Used German military surplus black cerakote slimline forearm cut down to fit the HK33. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: HK33 HK...HKP-20273-M$59.95 -
HK MP5, G3, HK93 Grip Wrap - Rubber - Navy Style Lower
Talon Grip
$19.99Talon Grip HK Navy Style Rubber Grip Wrap - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The...HKP-20229$19.99 -
3-Lug Suppressor Adapter - 9mm - Threaded 5/8x24
Kaw Valley Precision
$44.99Kaw Valley Precision 9mm 3 Lug Suppressor Adapter - Threaded 5/8x24 The KVP 3-Lug adapters are manufactured to replicate the popular HK pattern 3-Lug interface. Concentricity of ID and OD surfaces are paramount in any suppressor attachment...HKP-19986$44.99 -
AR-15 Stabilizing Brace - 5 Position Adjustable - SBA3
SB Tactical
$134.95SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically enhances versatility, and features a minimalist design with...HKP-18646$134.95