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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On Sale
HK Sling Hook - German - Used
H&K Heckler & Koch
Now: $2.95Was: $4.95Heckler and Koch Universal HK Sling Hook Original German universal HK sling hook for sling projects, repairs, or spare parts use. This factory HK sling hook is a hard-to-find component for authentic sling setups. THIS CLOSEOUT PART IS NOT ELIGIBLE...HKP-99488Now: $2.95Was: $4.95 -
Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308
USA
$64.95HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...HKP-02189$64.95 -
HK MP5, MP5K Selector Lever, Left Side - Navy Trigger Groups
H&K Heckler & Koch
$399.95H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can.HKP-00123$399.95 -
HK91, G3 Locking Piece - 45 Degree - USED
H&K Heckler & Koch
$14.95Heckler and Koch German Locking Piece for HK G3 and HK91- USED This is the factory correct 45 degree locking piece for HK91 and G3 firearms. Used pulled from de-milled firearms and will range in condition but perfectly usable.HKP-16712$14.95 -
HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
RCM
$164.95RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring, splined design for secure flash hider attachment, and a...HKP-02391$164.95 -
HK Screwdriver for Adjustable Rear Sight
H&K Heckler & Koch
$10.95Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.HKP-21981$10.95 -
HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy
Michaels Machines
$168.95MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...HKP-00153$168.95 -
HK Front Sight Blade
H&K Heckler & Koch
$11.95H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames.HKP-00370$11.95 -
PTR PDW Bolt Carrier - Full Auto - 7.62x39 / 7.62x51 / .308
PTR
$229.95 - $330.95PTR PDW (7.62x39) & (7.62x51/.308) Pistol Full Auto Bolt Carrier Made by PTR using the same blueprints and materials the German HK factory uses has allowed PTR91 to manufacture the finest of HK style firearms here in the US. The PDW F/A carrier is...HKP-20165-M$229.95 - $330.95 -
HK91, G3, PTR Magazine - 10 Round - Aluminum
H&K Heckler & Koch
$69.9510-Round 308 Magazine For HK Rifles - Alloy Aluminum Each HK magazine is made by using a factory German HK 20-round mag, that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20-round magazines are too long and...HKP-00351$69.95 -
HK91, G3, PTR91 Stock with Enhanced Buffer, Complete
Magpul
$899.95Magpul PRS Stock With Enhanced Buffer The Magpul PRS2 (Precision Rifle Sniper) is a drop-in, precision-adjustable buttstock designed for the HK G3, HK91, PTR91 rifle and its variants. Designed to offer the fine-tuned, customized feel of a precision...HKP-16698$899.95 -
HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus
H&K Heckler & Koch
$249.95HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all used and in good shape and need to be refinished...HKP-01998$249.95