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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HK G3 Parts Kit - FMP - HK Contract
H&K Heckler & Koch
$299.95Heckler and Koch Contract Portuguese FMP Surplus Parts Kit for HK G3 7.62 X 51mm / .308 Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit with the exception of the barrel and...HKP-17694$299.95 -
On Sale
HK91, G3, PTR TWO Magazines and Rubberized Mag Pouch - 20 Round
H&K Heckler & Koch
Now: $29.95Was: $49.95H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch 2 new/like new HK German 20 round aluminum magazine with green rubberized mag pouch bundle deal: 2 20 round aluminum magazines with new green rubberized mag pouch...HKP-15793Now: $29.95Was: $49.95 -
HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...HKP-15792$49.95 -
Left Side Ambidextrous Selector Lever FBI - 0,1
H&K Heckler & Koch
$124.99Left Side Ambidextrous Selector Lever FBI - 0,1 Compatible with all ambi style housings and ambidextrous 0,1, trigger packs and housings.HKP-00121$124.99 -
HK Single Point Leather Sling - Black
HKP HK Parts
$49.95Single Point Leather Sling - Black Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20151$49.95 -
Out Of Stock
HK91, G3 - 15 Round Magazine
H&K Heckler & Koch
$59.95HK G3, HK 91, PTR91 - 15 Round Magazine The HK G3, 91, PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine comes...HKP-17006$59.95 -
HK91, G3 Handguard - Slimline Style- Used Surplus
H&K Heckler & Koch
$14.95Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-18315$14.95 -
HK91, G3 Folding Stock - HDA3
Haga Defense
$349.95HDA3 Folding Stock for HK91, G3 The HDA3 is a modular, USA-made stock system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth adjustability, and...HKP-22356-M$349.95 -
Out Of Stock
Picatinny Rail Cover - 45mm
H&K Heckler & Koch
$14.95H&K 45mm Picatinny Rail Cover - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applicationsHKP-18857$14.95 -
Out Of Stock
HK A3 Retractable Buttstock Clamping Lever Spring
H&K Heckler & Koch
$19.95HK German Retractable Stock Clamping Lever Spring For A3 Retractable Stocks This spring is the most common breakage/wear item in the internal workings of the A3 retractable stock.HKP-01089$19.95 -
HK91 SBA4 Pistol Stabilizing Brace and Adapter
SB Tactical
$319.95SB Tactical HK91 SBA4 Pistol Stabilizing Brace & Adapter Includes: G3, HK91 backplate & recoil assembly AR, M4 stock adapter Complete buffer assembly Castle nut SB Tactical Brace Features: Made in the USA Designed after the SBM4 5-position...HKP-19931$319.95 -
HK91, G3 Trigger Group - 5 U.S. 922 Parts
PTR
$369.95HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...HKP-02643$369.95