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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$79.95 -
HK416 Handguard - Super Modular Rail - 14.5" - M-LOK
Geissele
$504.00Geissele HK416 Super Modular M-LOK 14.5" Rail The Super Modular Rail HK416 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity and...HKP-19806$504.00 -
HK MP5, HK94, SP5 Magazine Spring - 10 Round
H&K Heckler & Koch
$6.9510 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazinesHKP-19454$6.95 -
HK45 Thread Protector - .578x28 RH - Knurled
HKP HK Parts
$14.95HKP HK Parts HK45 Thread Protector - Threaded .578x28 RH - .45 ACP The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must-have item to protect your threaded barrels,...HKP-17623$14.95 -
HK UMP Magazine Floorplate
HKP HK Parts
$7.95HKP HK UMP Floorplate Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces. Made in the USA and counts as 1 US compliant part.HKP-17161$7.95 -
Picatinny Battle Sight - HK Front Folding
Troy Industries
$119.95Troy Industries Tritium Front Folding BattleSight – HK Durability and dead-on accuracy have made the Troy Industries HK Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work...HKP-00031$119.95 -
Out Of Stock
HK416 Upper Receiver Kit - 10.4" - 5.56
HKP HK Parts
$2,485.95HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...HKP-17662$2,485.95 -
HK416, MR556 Charging Handle Roll Pin
H&K Heckler & Koch
$7.95HK Heckler and Koch Clamping Sleeve or Roll Pin for Pawl on Charging Handles This is the longer one that is used on the outside of the charging handle. There are one of these pins used per charging handle.HKP-17063$7.95 -
HK SL8 Buttstock Cheek Riser Piece
H&K Heckler & Koch
$34.95Heckler and Koch HK German SL8 Stock Cheek Riser Piece Compatible with all HK SL8 models. Cheek piece for SL8-1 and SL8-6 riflesHKP-01701$34.95 -
$10.95 -
HK91, G3 Magazine Catch - Used
H&K Heckler & Koch
$16.95Heckler and Koch Magazine Catch, USED for HK91, HK G3, and PTR91 The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler and Koch Germany. These also have the proper cut in them and do...HKP-18693$16.95 -
Out Of Stock
HK G3K Cocking Tube
PTR
$89.95G3 Cocking Tube For PTR 91K Or G3K Projects - New Perfect for that custom HK build. These are made by PTR to the correct specifications. We do not use cut-down or Pakistani materials, we only use the best US and German hardware. Compatible With: HK G3K...HKP-01462$89.95