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 G36 Magazine Spring - 30 Round
HKP HK Parts
$7.95HKP HK G36 Replacement 30 Round Magazine Spring A high-quality replacement spring designed to restore optimal performance to your G36 magazine. Built to withstand frequent use, this component ensures smooth feeding and reliable function. Compatible...HKP-21830$7.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series
B&T Brugger & Thomet
$150.00B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...HKP-21771$150.00 -
HK MP5K Bolt Group - Complete - 9mm - Suppressed
H&K Heckler & Koch
$2,259.95Heckler and Koch MP5K 9mm Complete Bolt Group - Suppressed Complete factory German MP5K full-auto bolt group assembly configured with an 80-degree #28 German locking piece for suppressed use. This drop-in bolt carrier group is built with original German...HKP-21613$2,259.95 -
HK G3K, HK33 Flash Hider - 4 Prong Enclosed
RCM
$187.95RCM HK G3K & HK33 Flash Hider - 4 Prong - Enclosed End The RCM G3K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in the US from ordnance grade steel and counts as 1...HKP-21598$187.95 -
On Sale
HK MP5, SP5 Trigger Housing - AR - 9mm - BLEMISHED
Magpul
Now: $204.95Was: $299.95Magpul HK MP5/SP5 9mm AR Trigger Housing - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With our new MP5 AR style...HKP-20727-BL-BNow: $204.95Was: $299.95 -
Out Of Stock
HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T
B&T Brugger & Thomet
$144.99B&T Flash Hider with Interface for Rotex III/V/VA Swiss-made flash hider compatible with NATO A2 suppressor mounting HUB's. Specifications: Made in Switzerland Threaded M15x1 RH NATO spec Does not include face shims Compatible With: HK416,...HKP-21520$144.99 -
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 -
Out Of Stock
Picatinny 6" Skeletonized Tube with 1913 Folding Mech
JMAC Customs
$227.90JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces Features: Integrated QD Sling Sockers 6” Length 6...HKP-21244$227.90 -
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 SL8-1 Locking Lever Spring - Elbow
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95