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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HK MP5, MP5K Bolt Carrier Stop Pin and Axle Set
H&K Heckler & Koch
$14.95MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier Each set is designed to keep the locking piece clocked at the correct location and in place when the stop axle and pin set are installed in the carrier. This item can become damaged...HKP-02558$14.95 -
HK MP5, MP5K, HK33 Optic View Front Sight Tower
$54.95Billeted One Piece "Optic View" Front Sight Tower HK front sight tower machined as one solid seamless billeted piece. The finest front sight tower that has been machined to allow the use of the unobstructed partial view or optic view of the front sight...HKP-17879$54.95 -
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 -
Maglula UZI Magazine Loader, Unloader
Maglula
$29.95Maglula UZI Magazine Loader, Unloader Each part is made to load and unload your 9mm UZI magazines in seconds. This will allow you to do more shooting and less loading. With this loader, magazines can be loaded in 1/3 (60% less) of the time of...HKP-14547$29.95 -
HK MP5, SP5 Handguard - SD Style Conversion
HKP HK Parts
$279.95HK Parts Handguard Conversion HK MP5SD Convert your standard MP5 to the iconic SD-style look with this HKP MP5SD handguard conversion. Designed for aesthetics only, this drop-in handguard gives your MP5 the suppressed MP5SD appearance without requiring...HKP-22091$279.95 -
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 -
HK33, HK93, G3K Slimline Handguard - Alpine or ODG
H&K Heckler & Koch
$59.95H&K HK 33 Slimline Handguard Used German military surplus slimline forearm cut down to fit the HK 33. Each handguard is in good to excellent shape and will clean up nicely. Compatible With: HK33 HK93 G3K Clones that take a HK33 length forearm.HKP-20198-M$59.95 -
HK416, MR556, HK417, MR762 Forward Assist Plunger Spring
H&K Heckler & Koch
$5.95Heckler and Koch's Forward Assist Plunger Spring for HK416, MR556, HK417, MR762 New HK German manufacture. Compatible With: HK416, MR556 HK417, MR762 HK G28 HK M27HKP-02537$5.95 -
HK UMP, USC Recoil Rod Assembly, Complete
H&K Heckler & Koch
$79.95HK USC/UMP 45/40/9mm Recoil Spring/Rod Assembly New HK German. This is great to have as a spare as this is a repair and replacement item. Compatible With: HK UMP 45 HK USC 45 HK UMP 40 HK UMP 9mmHKP-00610$79.95 -
HK Universal Harris Bipod Adapter
H&K Heckler & Koch
$209.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...HKP-01852$209.95 -
Out Of Stock
HK SL8, G36 Bolt Hold Open Lever - Extended
H&K Heckler & Koch
$69.95HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...HKP-17719$69.95 -
HK G3 Operator Depot Level Repair Manual
HKP HK Parts
$23.95HKP HK G3 Operator Depot Level Repair Manual This is an older repair manual and the difference is the sections on field and depot repair. This manual has 124 pages, 35 pages of explanations, instructions, and pictures of the depot-level repair and...HKP-15223$23.95