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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HK33, HK53, HK93, HK91, G3 Rear Sight Base Weldment
HKP HK Parts
$29.95HKP HK Parts Rear Sight Base Weldment for HK G3, HK91, PTR & HK93, 33 & 53, FMP21 New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear...HKP-17386$29.95 -
Out Of Stock
HK91, G3 Weldment Set Complete
HKP HK Parts
$89.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X...HKP-17509$89.95 -
HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1, P-2
HKP HK Parts
$98.95HKP HK MP5, MP5K Aimpoint ACRO P1, P2 Optic Mount The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness. Crafted in the US from aircraft grade aluminum and coated in...HKP-21229-M$98.95 -
HK90 Series Cocking Tube End Cap - Aluminum
HKP HK Parts
$14.95H&K Cocking Tube End Cap - Aluminum - US Made Made from weight-saving aircraft-grade aluminum alloy. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerHKP-02806-M$14.95 -
HK91, G3 Rear Sight Assembly
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - HK German factory rear sight assembly with all hardware included. We offer the new HK sights at the BEST price in the country. Each set comes complete with all parts and all mounting hardware included...HKP-18163$39.95 -
Out Of StockOn Sale
HK91, G3, AP51 Magazine - 20 Round - Translucent
MKE
Now: $20.76Was: $25.95MKE HK G3/91, AP51 20 Round Translucent Magazine Constructed from high-strength, lightweight polymer, this magazine offers exceptional durability while allowing for instant visual ammo checks thanks to its clear body design. Whether you're training, on...HKP-21898Now: $20.76Was: $25.95 -
HK91, G3 SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
$29.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED This grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. This is truly an affordable upgrade for your...HKP-17354$29.95 -
HK MP5, HK33 HK53, HK93 Paddle Mag Release Bushing - Full Auto
H&K Heckler & Koch
$6.95Heckler and Koch New Full Auto Paddle Magazine Release Bushing for HK MP5 and HK90 New HK German paddle magazine release bushing for all 90 series HK weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on...HKP-00847$6.95 -
HK MP5, HK90 Series Push Pin Spring
$1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn-out springs that come loose while in...HKP-20368$1.95 -
HK90 Series Trigger and Catch Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...HKP-15459$1.99 -
HK91, G3, PTR Dual Magazine Clamp
HKP HK Parts
$29.95HK91, G3, PTR - .308/762 Dual Mag Clamp The HK91, G3 magazine grip or dual magazine clamp. Holds two magazines together for ease of use and easy access to 2 magazines. Half the weight of the factory mag clamp. HK Parts highly recommends this mag...HKP-19634$29.95 -
HK Semi Auto Shelf for Receiver - Billeted
HKP HK Parts
$17.95HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...HKP-21470$17.95