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 Handguard With LED Weapon Light - Used
B&T Brugger & Thomet
$399.95B&T HK MP5 Handguard With LED Weapon Light - Used B&T model TL99CREE LED lit handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical LED light & 3 position switch. Some lenses may be cracked, but...HKP-19605$399.95 -
HK SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED
H&K Heckler & Koch
$89.95H&K SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. It will have some nicks but overall this house is in good working condition. For use with SEF style trigger packs. This will not work with...HKP-19488$89.95 -
HK G28 Buffer Tube
H&K Heckler & Koch
$224.99HK G28 Buffer Tube / Receiver Extension New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Made in Germany by HK.HKP-16741$224.99 -
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
$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 -
HK MP5 Extractor - .40 S&W, 10mm, .357 SIG
H&K Heckler & Koch
$69.95H&K Heckler and Koch New Latest Production 1.4mm Extractor for HK MP5 .40, 10mm, .357 This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible...HKP-00410$69.95 -
HK MP5 Locking Piece #25 - 60 Degree - High Impulse - .40 S&W, 10mm - USA
RCM
$44.95MP5 40 & MP5 10mm High Impulse Locking Piece Marked #25 Made in the US from an enhanced material and heat treated to factory specifications. Each US-made MP5 40/10 60-Degree Locking Piece is used for high-impulse ammo commonly found in...HKP-15149$44.95 -
HK MP5, HK94 Vented Wide Handguard - Vertical
HKP HK Parts
$44.95HKP MP5 & HK94 Vented Wide Forearm - Vertical New US manufactured (922r compliant) HK MP5 & HK94 vented wide handguard with the 90 degree vents. This style of venting allows better handling and superior barrel cooling abilities. Available...HKP-16856$44.95