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 Ambidextrous Sling Pin Locking Knob
H&K Heckler & Koch
$11.95New HK German Ambidextrous Sling Pin Locking Knob These are common replacement items, they can become loose as the O-ring wears and falls off. Be sure to order extra O-rings to avoid losing the locking nut. This is a common replacement part for those...HKP-01042$11.95 -
HK MR556 A1, A4 Bolt Group - Complete
H&K Heckler & Koch
$529.95H&K HK MR556A1 and A4 Complete Bolt Group Complete semi-auto bolt carrier group for MR556A1/A4 receivers. Bolt carriers will be marked ".223 Rem" or "5.56 x 45". Includes The Following: MR556 Bolt Carrier Complete bolt head Firing pin...HKP-02618$529.95 -
On Sale
HK91, G3 Magazine Block - 20 to 10 Round Conversion
Raddlock
Now: $5.95Was: $9.95HK 91, G3, & PTR 10 Round Magazine Plug The Raddlock magazine plug is designed to be installed in a 20-round magazine to limit the capacity to 10 rounds for restricted capacity states. Compatible with both aluminum and steel magazines. We...HKP-02443Now: $5.95Was: $9.95 -
HK416, MR556, HK417, MR762 Pistol Grip
H&K Heckler & Koch
$89.99HK Heckler and Koch's Pistol Grip with Storage - Black HK German factory pistol grip with a storage compartment in the bottom. It has a superior fit and feel to any other grip on the market. This is a great upgrade for any AR, M16 platform. Compatible...HKP-22298$89.99 -
Out Of Stock
HK MP5, HK416 Barrel - .22LR - 8.5" - Threaded 8x.75
RCM
$229.95RCM HK MP5 / 416 .22LR Pistol Barrel The first and only replacement barrel for the HK .22LR platforms—this is a game-changer! Previously, replacing the barrel meant the hassle of sending the receiver to H&K and waiting for the assembly to be...HKP-21403$229.95 -
HK91, G3, PTR Handguard - M-LOK
MI Midwest Industries
$189.95MI HK G3/91/PTR M-LOK Forearm Fits the HK G3, 91 lengths for firearms to include the full-length PTR models that use a G3/91 full-length forearm. May fit some CETME models such as the C308 with fitting required. Made in the USA, 922r...HKP-18439$189.95 -
HK91, G3 2x20 Mag Pouch - Flectarn - New
H&K Heckler & Koch
$13.95New HK German Camo Mag Pouch New Flectarn Camo Magazine Pouch Fits 2 X 20 Round Magazines. New latest issue German dual mag pouch. Holds two 20 round magazines that attaches to German web gear. Each unit comes in the new style German forest flectarn camo...HKP-16268$13.95 -
HK MP5, HK94 Operator's Manual
HKP HK Parts
$14.95HKP MP5, 94 Operator's Manual The MP5, 94 or other HK MP5 clones Operator Manual is 36 pages of a page by page translation of the original Bundeswehr ( German Federal Army) instruction manual for their service machine pistol, the MP5. There are 26...HKP-15765$14.95 -
HK416, MR556, AR-15 Magazine - PMAG M3 - 40 Round
Magpul
$24.95Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Latest M3 generation, NON-windowed PMAG (Polymer Magazine). Featuring a pop-off storage/dust cover that alleviates pressure from the magazine feed lips, allowing for long-term storage of loaded magazines...HKP-16699$24.95 -
HK MP5K, AP5-P Vertical Foregrip
MKE
$44.95MKE Made Vertical Foregrip MKE vertical grip for the HK MP5K models. Compatible With: HK MP5K, SP89 HK SP5K Century AP5-P, AP5-M In-spec clones and custom buildsHKP-22471$44.95 -
HK MP5 Optic Mount - Raised Aimpoint Acro
HKP HK Parts
$134.95HKP HK MP5 Raised Aimpoint Acro Optic Mount HK Parts brings you one of the most requested optic mounts for the MP5 platform. An elevated design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...HKP-21666-M$134.95 -
Out Of Stock
HK MP5 Bolt Carrier - Semi Auto
RCM
$146.95RCM HK MP5 Semi Auto Carrier New RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. Machined completely from billet ordnance grade steel to exact HK German...HKP-20981$146.95