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 Pin - Large - Quick Detach Attachment
HKP HK Parts
Now: $30.36Was: $37.95HKP Quick Detach Sling Attachment Sling Pin - Large The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for...Now: $30.36Was: $37.95 -
On Sale
HK 90 Series Pinned Hammer
H&K Heckler & Koch
Now: $26.95Was: $29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. With the proper hole on the hammer to pin the strut in place. This hammer is the hammer that is most commonly...Now: $26.95Was: $29.95 -
On Sale
HK91, G3 Improved Buffer System - Bill Springfield
Bill Springfield
Now: $71.95Was: $79.95HK Improved Buffer System - HK91 Bill Springfield developed a new piston and spring assembly that reduces the felt recoil up to 30% on any HK or clone utilizing the standard assembly. This piston is 2x longer than stock, the spring is about 25% lighter...Now: $71.95Was: $79.95 -
On Sale
HK MP5, MP5K, HK33, HK53, HK93, HK91, G3 Hanger Clip - Cocking Tube
H&K Heckler & Koch
Now: $12.55Was: $13.95H&K Cocking Tube Hanger Clip The HK cocking tube support hanger is the part that welds onto the end of the cocking tube that allows the forearm to install with the use of a small push pin. New HK German factory manufactured. Ready to weld onto your...Now: $12.55Was: $13.95 -
On Sale
HK MP5, G3, HK53 Flat Trigger - Enhanced
HKP HK Parts
Now: $39.96Was: $49.95HKP 90 Series Flat Trigger - Enhanced With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series trigger. Each enhanced flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as...Now: $39.96Was: $49.95 -
On Sale
HK Cheek Piece
AC-Unity
Now: $35.96Was: $39.95AC-Unity HK Cheek Piece New production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle. Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper cheek...Now: $35.96Was: $39.95 -
On Sale
Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange
Blitzkrieg Components
Now: $51.29Was: $56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The bright orange chevron stripe offers...Now: $51.29Was: $56.99 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Steel - Surplus
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus: HK German 20 Round Steel Magazine Used - Surplus Condition Used German manufacture all steel magazine. They range from Fair to VG shape. Each magazine is a bargain for what you get...Now: $17.95Was: $19.95 -
On Sale
HK91, G3 Extractor
H&K Heckler & Koch
Now: $12.55Was: $13.95HK German HK G3, HK, 91 & PTR 91 .308 Extractor New HK German. The G3 is out of production and this small lot of new old stock extractors is available at the best price in the country. Fits all models of HK G3 style firearms and CETME's. Compatible...Now: $12.55Was: $13.95 -
Out Of StockOn Sale
HK Roller +8 - New - 8.08mm
HKP HK Parts
Now: $7.19Was: $8.99Roller +8 - New - 8.08mm HK Parts Standard (8.08 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...Now: $7.19Was: $8.99 -
On Sale
HK MP5, HK91, G3, HK33, HK93 Optic Mount - Windowed
MFI
Now: $112.45Was: $124.95MFI HK G3, 91, 93, 33 PTR & MP5 Scope Mount - Windowed This model is the same as the best-selling low-profile mount, only with added windows for extra weight savings and a viewing window to see the serial numbers on the MP5/94 series of...Now: $112.45Was: $124.95 -
On Sale
HK Lever - SEF - Long Axle Selector - Polymer Housing
H&K Heckler & Koch
Now: $35.96Was: $39.95H&K SEF Long Axle Selector Lever - Polymer Housing If you have a polymer SEF housing such as the contoured type with finger grooves or the SEF navy style grip frames as well as the 0,1 polymer housings this is the correct selector lever...Now: $35.96Was: $39.95