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 MP7A1, MP7A2 Front and Rear Sight Set - Picatinny - Iron
H&K Heckler & Koch
$529.95H&K HK Parts MP7A1, MP7A2 Flip Front & Rear Sight Set Includes front and rear iron sights, which allows the shooter to see the target and enables faster sight acquisition. This sight set is compatible with the G36, 416, or all other Picatinny...HKP-00024$529.95 -
HK MP5 Flash Hider - .22LR
HKP HK Parts
$49.95HKP HK MP5 .22LR Flash Hider Transform your HK MP5 .22 pistol by adding a direct thread-on flash hider that perfectly replicates the iconic look of the MP5 9mm 3-lug flash hider. Internal O-ring to ensure a secure engament that wont allow the flash...HKP-21648$49.95 -
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 -
HK MP5, HK91, G3 Binary Trigger Group - SEF Navy - BFSIII
FA Franklin Armory
$849.95Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK91, G3, PTR91 3 Position HK Binary Trigger Group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box,...HKP-19646-CP$849.95 -
HK91, G3 Barrel - 7.62 / .308 - 16" - Threaded 5/8x24 - Tapered
PTR
$229.95PTR HK G3/91 Tapered Barrel - Threaded 5/8x24 PTR manufactured US made barrel for the HK91, G3 & PTR style of firearms. This 16" barrel will allow you to add a threaded flash hider that is threaded 5/8x24 US threads. Specifications: Overall Length...HKP-19472$229.95 -
HK33, HK53, HK93 # 7 Locking Piece - 55 Degree
RCM
$49.95RCM HK 93/53/33 # 7 Locking Piece 55 Degree New 55 Degree #7 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable locking...HKP-16556$49.95 -
HK MP5, HK33, HK53, HK93, G3 Housing - SEF - Navy Style - Polymer - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K MP5, 93/53/33, G3 (9mm & 7.62/.308 & 5.52/.223) SEF Navy Style Polymer Housing - Clipped & Pinned This navy style housing fits all shelved receivers. Specifications: Made In Germany Clipped & Pinned Navy Style Housing SEF...HKP-00164$179.95 -
Out Of Stock
HK 30 Round 416, HK MR556 Magazine - Maritime- TiN
H&K Heckler & Koch
$149.95HK 416 & MR556 30 Round Maritime Magazine - TiN Coated Get your hands on some TiN coated factory Heckler & Koch magazines. Each magazine starts out as a fresh 30 round mag before being professionally dsiassembled, TiN coated, and...HKP-21468$149.95 -
HK33 Slimline Handguard
H&K Heckler & Koch
$59.95H&K HK HK33 Slimline Forearm Used German military surplus black cerakote slimline forearm cut down to fit the HK33. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: HK33 HK...HKP-20273-M$59.95 -
HK91, HK G3, PTR Bolt Head Complete - LIKE NEW
H&K Heckler & Koch
$179.95German HK G3 & HK 91 & PTR Bolt Head Complete - Used German "ID" Date Coded Made on HK tooling & prints in Germany in 1983. Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3...HKP-20227$179.95 -
HK MP5SD Locking Piece - 9mm
H&K Heckler & Koch
$179.95HK German MP5SD Factory Locking Piece MP5 "action" SD locking piece is the current factory-correct locking piece for the MP5SD. For optimal results, use the action 3 or F bolt head for the most reliable feeding and extraction. These upgrades work...HKP-00135$179.95