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
HK416A5, MR556, MR762 Rail Cover Set - RAL8000
H&K Heckler & Koch
$69.95H&K HK MR556/MR762/HK416 A5 Rail Cover Set - RAL 8K Brand new Heckler & Koch HK 416 A5 Style Picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo...$69.95 -
HK416, MR556, MR762 Bolt Catch Pin
H&K Heckler & Koch
$4.95H&K HK MR556/MR762/416 Bolt Catch Pin The factory roll pin is used to hold the bolt catch in place. Great to have on hand in the event this item becomes lost or damaged when doing maintenance Compatible With: HK MR556 HK 416 HK MR762$4.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - V2
H&K Heckler & Koch
$75.99H&K HK MR556/MR762/416/417/G28 V2 Battle Grip With Contoured Back Strap HK-manufactured AR15-style pistol grip will fit all AR-15/M-16 lower receivers as well. It is a great upgrade for any AR15, M16/416 style firearm. Provides...$75.99 -
HK91, G3 Complete Tactical Folding Stock
Choate
$179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...$179.95 -
HK Firearm Cleaning Oil - Break Free CLP - .5 oz
Safariland
$4.95Break Free Cleaner, Lubricant and Preservative 1/2 OZ. Features: Penetrates and spreads along metal surfaces into every, crack, pit and crevice to undercut contamination and lift. carbon, fouling and residue away. Long-lasting lubricating film...$4.95 -
HK MP5 Handguard - Wide
AC-Unity
$18.95AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to withstand temperatures from -30°C to 120°C...$18.95 -
M-LOK Rail Section - 7 Slot
Magpul
$21.95Magpul M-LOK 7 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...$21.95 -
HK UMP Magazine Block - .45 ACP - 25 to 10 Round Conversion
HKP HK Parts
$9.95HKP HK UMP .45 ACP Magazine Block UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine. Very easy to install & use. Compatible With: HK UMP ...$9.95 -
Out Of Stock
HK416, HK417, MR556, MR762 German E1 Convex Butt Pad
H&K Heckler & Koch
$64.95HK MR556, HK416 & MR762, HK417 German E1 Convex Butt Pad The HK Convex buttpad can be used to swap out on the factory E2 or concave-style buttpads for those who desire this option. This way, you can use the concave or convex-style buttpads...$64.95 -
Out Of Stock
HK91, HK21, HK93 Fixed Stock Heavy Rubber Buttpad - MM
Michaels Machines
$79.95MM Fixed Stock Heavy Rubber Buttpad Reduce the felt recoil transferred to your shoulder with the Michael's Machines heavy rubber buttstock pad. Perfect replacement for old, hard original buttstock pads. US made and backed by a lifetime...$79.95 -
HK53 Cocking Tube
HKP HK Parts
$139.95HKP 53 (5.56/.223) Cocking Tube New cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory-correct HK53 cocking tube available, as HK Germany does not offer this part separately...$139.95 -
HK MP5K Picatinny End Plate Adapter
MI Midwest Industries
$89.95MI HK MP5K 1913 Picatinny End Plate Adapter The Midwest Industries Picatinny end plate adapter opens up a myriad of off-the-shelf stock and brace options. The adapter installs in the same manner as the factory end cap with the factory push pins...$89.95