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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HK91, G3 PTR Fixed Buttstock, Complete with Enhanced Heavy Buffer - Surplus - Black
H&K Heckler & Koch
$349.95German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...HKP-20069$349.95 -
Out Of Stock
HK Universal Harris Bipod Adapter - RAL8000
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...HKP-17750$199.95 -
PTR-32 Locking Piece - 70 degree
PTR
$63.95PTR-32 (7.62x39) Locking Piece - 70 degree New PTR Locking Piece For PTR-32. Marked "70" for the PTR-32 series of rifles and pistols. This is a 70 degree locking piece. New PTR manufacture. This locking piece will also work for custom HK builds as well.HKP-18519$63.95 -
HK MP5, HK90 Series Hammer Spring Bushing - Burst
H&K Heckler & Koch
$19.9990 Series Hammer Spring Bushing For Burst Trigger Packs This part will fit both two and three-round burst trigger packs.HKP-02398$19.99 -
HK91, G3 Trunnion - New Old Stock
H&K Heckler & Koch
$79.95Heckler and Koch Trunnion for HK91, G3 - New Old Stock Original Heckler and Koch trunnion for HK91 and G3 rifles. This is a new old stock, original-production component from older HK manufacturing runs and has not been previously installed. Ideal for...HKP-99363$79.95 -
Out Of Stock
Compact Vertical Foregrip with Hand stop - M-LOK
JMK
$88.95Compact Vertical Foregrip with Hand stop - M-LOK The JMK Vertical Foregrips are ideally suited for applications with restricted space. Equipped with a rapid, straightforward M-LOK attachment system, it can be mounted on any configuration with an M-LOK...HKP-22406-M$88.95 -
HK Binary Selector Set - Ambi Housing - RAL8000
HKP HK Parts
$79.95HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...HKP-21380$79.95 -
HK91, G3 Enhanced Trigger Group - Match
H&K Heckler & Koch
$649.95HK German 91, PTR, C308 Match Trigger Group - Enhanced New! HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. With the trigger pack not only being converted to semi-auto but the trigger pack has been...HKP-18358$649.95 -
HK91, G3 Buttstock Set with Backplate - Black - Used Good
H&K Heckler & Koch
$299.95Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...HKP-16205$299.95 -
HK91, G3 Bolt Carrier - Semi Auto
PTR
$249.95New US Made HK91, HK G3, PTR-91 Bolt Carrier - Semi Auto Carrier This part is made to exact H&K specs and with the same material. PTR uses HK factory blueprints for manufacturing and quality control. Manufactured at the PTR facility here in the...HKP-01461$249.95 -
HK91, G3 A3 Retractable Buttstock Buttpad
H&K Heckler & Koch
$24.95HK G3 & HK 91 A3 Retractable Stock Rubber Buttpad - German This item is a great spare itemsto have on hand as the factory buttpads found on used or surplus stocks are often worn or damaged. Made in Germany by H&K. Compatible With: New style HK...HKP-16853$24.95 -
HK33, HK53, HK93, HK91, G3 PRS Extended Butt Pad
Magpul
$15.95Magpul HK 91/G3 (7.62x51/.308) PRS Extended Butt Pad Replaces standard butt pad and adds 1/2" to the overall length of the PRS stock. This part also adds slightly more cushioning, as it has more rubber. Compatible With: PRS Stock (MAG307) PRS...HKP-00843$15.95