HK91 / G3 / HK51 Series
Discover the ultimate collection of parts for your HK G3 and HK 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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HK90, MP5K Sear Catch - Steel - US
HKP HK Parts
$47.95HKP HK Parts HK90, HK MP5K Sear Catch - Steel - USA Made - Billeted Machined - Steel Hard to find and important for keeping your HK build 922r compliant. This US-made sear counts as one US-compliant part for your rifle or build. Machined from a bar of...HKP-00378$47.95 -
Out Of Stock
HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad
Michaels Machines
$229.95US-Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad Fits all HK 91/G3/21/23 and HK93/33/53 backplates and buffers. Just add your buffer and backplate and you are good to go. Great replacement or upgrade for your HK...HKP-01144$229.95 -
HK91, G3, PTR Rear Sight Assembly
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - New HK - Hand Windage Adjustment Knob HK German factory rear sight assembly with all hardware included. We offer the finest new HK sights at the BEST price in the country. Each set comes complete with...HKP-19372$39.95 -
HK MP5, HK90 Series F1 Flat Trigger
HKP HK Parts
$49.95HKP 90 Series F1 Flat Trigger With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...HKP-21537$49.95 -
HK MP5, HK90 Series Selector Lever - Ambi - Right Side
H&K Heckler & Koch
$89.95Heckler and Koch Ambidextrous Selector Lever - Right Side This is the right-side selector of the ambidextrous trigger packs. This part will only work on ambidextrous style or pictogram style housing and trigger packs. New HK German manufactured...HKP-00127$89.95 -
HK91, G3 Backplate and Recoil Rod Assembly, Complete
H&K Heckler & Koch
$24.95Heckler and Koch Complete Backplate and Recoil Rod Assembly for HK91 and HK G3 Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete and 100% serviceable. Ready to install. This is also a...HKP-16144$24.95 -
HK G3 Pistol Grip - PSG1 Sniper Style
AC-Unity
$39.95AC-Unity HK PSG1 Style Sniper Pistol Grip The new AC Unity Pistol Grip/Sniper Grip is a great upgrade if you want the PSG1 style grip frame for your HK firearm. The grip features an ambidextrous palm shelf for increased stability and weapon control...HKP-21628$39.95 -
HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Spring for Bolt Head
H&K Heckler & Koch
$4.95HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom buildsHKP-16274$4.95 -
HK51, PTR PDW Backplate With Recoil Rod
PTR
$149.95HK51, PTR PDW Backplate With Recoil Rod Each unit has been built with new HK parts and painted HK black, ready for use. The PTR PDW is the collapsible recoil-style assembly designed for use on HK51-style builds. This backplate will work on any fixed...HKP-02665$149.95 -
HK G3 Buffer Screw Crush Washer
H&K Heckler & Koch
$0.95HK G3 Crush Washer For Buffer ScrewHKP-16984$0.95 -
Selector Lever Set - Ambi 0,1 - Extended Left Side
HKP HK Parts
$99.95Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1 FBI...HKP-17229$99.95 -
HK G3 Buffer Screw Locking Washer
H&K Heckler & Koch
$0.95HK G3 Buffer Screw Locking Washer Used in good, working conditon.HKP-16983$0.95