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 Axle Rod and Pin, Bolt Hold Open - .40 S&W / 10mm
HKP HK Parts
$49.95HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes both the axle rod and the threaded screw for the...HKP-17405$49.95 -
On Sale
AR-15 Magazine Lock Kit - California Legal
HKP HK Parts
Now: $7.95Was: $19.95HKP AR-15 California Legal Mag Lock KitHKP-15409Now: $7.95Was: $19.95 -
HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny
MI Midwest Industries
$104.95Midwest Industries HK MP5, MP5K Tall Optic Mount Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting micro red dots with a...HKP-22396-M$104.95 -
On Sale
HK33 Cocking Tube - 11" - Right Hand
HKP HK Parts
Now: $74.95Was: $99.95HKP HK33 11" Right Hand Cocking Tube This is the one and only right handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".HKP-18692Now: $74.95Was: $99.95 -
HK91, G3 Stock - PRS Gen 3
Magpul
$429.95Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments...HKP-21172-M$429.95 -
HK G36C Gas Piston Rod and Spring
H&K Heckler & Koch
$89.95HK German G36C Gas Piston Rod & Spring Assembly - Complete A must-have item for HK G36C conversions from G36 to SL8's or for spares for your G36C. New HK German factory OEM part. A high wear and replacement part and a must-have for spare parts.HKP-00353$89.95 -
HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
$9.95H&K HK MR762/417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28HKP-16520$9.95 -
HK UMP Release Lever
H&K Heckler & Koch
$9.95HK UMP Catch Release Lever Or Trip Lever For All UMP LowersHKP-01890$9.95 -
Out Of Stock
HK G3 Operators Manual
HKP HK Parts
$21.95HK G3, 91, PTR Operators Manual The G3 Operators Manual is for the Full Auto version of the HK91. Page-by-page translation of the original German Army instruction manual for the G3 family of firearms. With 120 pages and six full-color illustrations...HKP-15211$21.95 -
Handguard Rail Screw - Tactical
PTR
$0.69PTR Tactical Handguard Rail Screw The 6, 4, 3 & 2 inch rail sections use these screws to attach themselves to the tactical forearm. This is the screw that is used on all the tactical forearm rails (2 inch, 3 inch, 4 inch, 6 inch). A great spare to...HKP-16744$0.69 -
HK MP5, MP5K 3-Lug Blank Firing Adapter
H&K Heckler & Koch
$169.95H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...HKP-01990$169.95 -
HK MP5, MP5K Magazine - 30 Round - LEO Marked - Enhanced
H&K Heckler & Koch
$159.95H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN/CRN Coated Elevate your collection with our TiN coated factory Heckler & Koch magazines. Each magazine begins as a new German 30-round 9mm mag that is expertly disassembled, TiN coated,...HKP-21792-M$159.95