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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
B&T TP9 Top Cover, Side Optic Mount - Complete
B&T Brugger & Thomet
$159.95B&T TP9 Top Cover Complete with Side Mounting Rail B&T factory top cover. Polymer construction. Compatible With: B&T TP9HKP-17293$159.95 -
HK416, MR556 Bolt Carrier Roll Pin
H&K Heckler & Koch
$6.95H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416HKP-16847$6.95 -
HK SL8 to G36 Stock Block - Conversion - Pull Pin
HDPS
$389.95HDPS SL8 To G36 Stock Block This is the latest generation of a stock block with the pull pin, NOT the older style with the sling eyelets. The HDPS SL8 to G36 conversion stock block comes complete and includes a built-in buffer recoil rod, housing, steel...HKP-00807$389.95 -
Out Of Stock
HK UMP, USC Bolt Carrier - Semi Auto - .45 ACP - Complete
USA
$399.95USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin Compatible With: HK UMP ...HKP-18588$399.95 -
HK G3K Cocking Tube
PTR
$129.95G3 Cocking Tube For PTR 91K Or G3K Projects - New Perfect for that custom HK build. These are made by PTR to the correct specifications. We do not use cut-down or Pakistani materials, we only use the best US and German hardware. Compatible With: HK G3K...HKP-01462$129.95 -
HK Cable Gun Lock
H&K Heckler & Koch
$19.95HK Cable Gun Lock This is the same lock that ships with factory HK firearms.HKP-02442$19.95 -
HK MP5, SP5, HK94 Optic Mount - Armasuisse Version
B&T Brugger & Thomet
$219.95B&T MP5 Mounting Rail, Armasuisse Version Compatible With: HK MP5, SP5 HK 94 MAC-5 clones may require custom fitment. Modified components are not eligible for return. In-spec clones & custom buildsHKP-16864$219.95 -
HK MP5K Brace or Stock Adapter - Folding
HKP HK Parts / SB Tactical
$79.99SB Tactical HK MP5K Folding Brace/Stock Adapter Factory SB Tactical adapter for folding pistol brace. Aluminum with hard coat anodize for the ultimate finish. Features: Seamless styling adds elegance & operator utility Quick and easy H buffer...HKP-21413$79.99 -
On Sale
HK G36, HK33 Compensator - 15x1 RH - KeyMount (KeyMicro)
JMAC Customs
Now: $59.95Was: $99.95JMAC G36/HK33 (5.56/.223) Recoil Reduction Device - 2 Port Compensator 15-1 Threads - KeyMount (KeyMicro) Can be permanently attached to a 14.5" barrel to achieve 16" OAL. Compatible With: HK G36C (NOT compatible with first gen. HK G36C & Tommy...HKP-21254Now: $59.95Was: $99.95 -
HK416, MR5566 Sling Loop - Ambi
H&K Heckler & Koch
$154.95H&K HK MR556/416 Ambi Sling Loop Ambidextrous sling loop for a quick and easy carrying option. compatible with any sling that attaches via a sling hook. Intended for the HK 416 format but is compatible with any picatinny rail. Compatible With: HK...HKP-20341$154.95 -
HK MP5 Modular Stock System - .22LR
F5 MFG
$349.95F5 MFG Modular Stock System with MP5 .22 Adapter Features: HK MP5 22 compatible adapter 6061 AL and nylon 6/6 polymer construction Integrated locking hinge Adjustable cheekwell 7 adjustable length positions 3in length of pullHKP-20196$349.95 -
HK416, MR556, MR762 Fire Control Detent Stop Pin
H&K Heckler & Koch
$20.95H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416 HK MR762HKP-15272$20.95