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, SP5K Rear Sight Set, Complete - Used
H&K Heckler & Koch
$109.95HK Heckler and Koch German Rear Sight Set Complete - Used for HK MP5 and HK94 Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum...HKP-00671$109.95 -
HK91, G3 Cocking Tube with Hanger - Ribbed -Used
H&K Heckler & Koch
$34.95HK German HK G3 & HK 91 Ribbed Cocking Tube With Hanger Installed - Used Used surplus condition, take-offs from demilled G3 firearms. They may have dings, dents, and heavy wear. Still in serviceable condition or perfect for projects. Fair Condition...HKP-00719$34.95 -
On Sale
HK UMP, USC Optic Rail - Picatinny
H&K Heckler & Koch
Now: $17.95Was: $19.95HK UMP, USC Optic Rail - Picatinny Factory HK UMP and USC Picatinny machined aluminum optic rail with mounting hardware. Compatible With: HK UMP, USCHKP-22541Now: $17.95Was: $19.95 -
On Sale
HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1
MKE
$42.95 - $59.95MKE AP5, HK MP5 Contoured Trigger Housing - 0,1 This contoured trigger housing is manufactured by MKE for MP5 and AP5 pattern firearms. Designed for 9mm platforms, it provides a factory-correct housing option for MP5-style trigger group assemblies...HKP-99361-M$42.95 - $59.95 -
On Sale
HK91, G3, PTR Magazine - 10 Round - Steel - BLEMISHED
H&K Heckler & Koch
Now: $56.95Was: $89.95H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - BLEMISHED MAGAZINE BODY HAS PITTING - CONDITION AND COLOR MAY VARY (see pictures) - Price is per unit. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...HKP-01607-BNow: $56.95Was: $89.95 -
On Sale
HK MP5 .22 Dual Magazine Clamp - Black - BLEMISHED
HKP HK Parts
Now: $18.95Was: $29.95HKP HK MP5 .22 Dual Magazine Clamp - BLEMISHED PADS ARE MISSING - SEE PHOTOS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The MP5 .22 magazine grip or dual...HKP-20856-BL-BNow: $18.95Was: $29.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
Zenith
$43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830$43.95 -
HK SL8, G36 Top Rail Screw
H&K Heckler & Koch
$14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-16390$14.95 -
HK MP5 Bolt Group, Complete - .40 S&W, 10mm
HKP HK Parts
$414.95RCM- MP5 40 & MP5 10mm - Bolt Group Complete Ideal to replace out of spec, worn, or broken bolt groups or for that custom build. Includes: RCM bolt head complete RCM locking piece RCM firing pin RCM firing pin spring RCM full auto bolt carrier...HKP-19723$414.95 -
HK MP5 Folding Stock with HK Parts Adapter
HKP HK Parts / Heckler & Koch
$269.95German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...HKP-19453$269.95 -
HK417, MR762 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$59.95H&K HK MR762 Lower Receiver Front Takedown Pin - A1 Style This is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and...HKP-16602$59.95 -
HK416, MR556 DMR Extra Long Handguard
H&K Heckler & Koch
$859.95HK MR556/416 DMR Extra Long Forearm New Heckler & Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions for long range shooting and to prevent the mirage...HKP-17683$859.95