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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Out Of Stock
HK MP5 UCS Stock and Adapter
HKP HK Parts / Magpul
$317.95HK MP5 Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5 pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...HKP-22197$317.95 -
HK MP5 Buttstock Fork
H&K Heckler & Koch
$199.95H&K HK MP5/SP5 Stock Fork MP5 Replacement Stock Fork Section, expertly crafted in Germany. This robust fixed stock section boasts a classic forked design that guarantees exceptional shoulder support and enhanced control for your pistol. Whether you...HKP-22166$199.95 -
HK MR762 A4 Handguard - Complete
H&K Heckler & Koch
$349.95Heckler and Koch HK MR762 A4 Complete Handguard Factory HK handguard with a 12 o’clock Picatinny rail and M-LOK slots at 3, 6, and 9 o’clock for mounting optics and accessories. Includes dual QD sling sockets for ambidextrous sling use...HKP-21972$349.95 -
HK MP5 Dual Folding Stock with Adapter - .22LR
HKP HK Parts / Strike Industries
$319.95Strike Industries HK MP5 .22LR Dual Folding Stock with Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...HKP-21769-M$319.95 -
HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5
Nefarious Arms
$594.95Nefarious Arms HK MR556/HK416 11" A5 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER. THE MARKING IS NOT VISIBLE ONCE INSTALLED. THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...HKP-21839$594.95 -
HK G36, G36K Optic Mount - Dual Rail, Emergency Sight - NATO Accessory Rail
B&T Brugger & Thomet
$397.95B&T HK G36/G36K (5.56/.223) Mounting Rail B&T NAR (Picatinny compatible) mounting rail for HK G36/G36K with emergency sight, dual rail. Compatible With: HK G36 HK G36KHKP-21461$397.95 -
On Sale
HK MP5, SP5 Trigger Group - Single Stage - SSTG
Magpul
Now: $499.95Was: $639.95SSTG Magpul trigger group The Single Stage Trigger Group is a blend between the past and future. The trigger pack begins life as a factory German trigger pack before being professionally converted into a semi-auto trigger pack. After the conversion, each...HKP-21261Now: $499.95Was: $639.95 -
HK MP5 Trigger Group - AR Match
Magpul
$649.95 - $664.95Magpul AR Match Trigger Group for HK MP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a drop-in...HKP-20666-M$649.95 - $664.95 -
Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
Aimpoint
$14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...HKP-19334$14.95 -
On Sale
Picatinny Harris Bipod Adapter - Extended
HKP HK Parts
Now: $9.95Was: $19.95HKP Extended Harris Bipod Adapter Universal Picatinny rail Harris bipod adapterHKP-15374Now: $9.95Was: $19.95 -
HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
GSG9
$86.95GSG9 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for 922R compliance...HKP-00631$86.95 -
On Sale
HK416, MR556 M-LOK Handguard with Overgrip - 11"
B&T Brugger & Thomet
Now: $249.95Was: $365.00B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing improvement for the combat value of these rifles...HKP-20403Now: $249.95Was: $365.00