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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Out Of Stock
HK90 Series Front Sight Sling Loop
H&K Heckler & Koch
$39.95H&K Sling Loop For Front Sight Tower - 90s series This HK OEM item is brand new and not surplus or used. This is a must-have item for all of your re-barrel jobs, or for when you need to mount a sling loop to an HK build. This item is offered at the...HKP-00144$39.95 -
HK Recoil Rod Guide Ring - Recoil Rod Assemblies - Enhanced
HKP HK Parts
$2.39HKP Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced New enhanced material for greater longevity and durability. Our US made recoil rod guides are the made from the strongest most durable material available much better than the basic nylon as...HKP-17829$2.39 -
HK91, G3 Cocking Handle - Extended
HKP HK Parts
$64.95HKP HK91, G3 Extended Cocking Handle - Extended Extended cocking handle designed to improve grip and leverage on HK91 and G3 pattern firearms. The enlarged profile provides increased surface area for easier manual operation, particularly during charging...HKP-00199-M$64.95 -
HK91, G3, HK53, HK93 Cocking Lever Elbow Spring
H&K Heckler & Koch
$5.74New Style Cocking Handle Lever Spring - German This is the latest HK German spring design with the factory HK anti-corrosion plating applied. The factory HK springs last longer and is more tolerant to corrosion. A perfect upgrade for your older...HKP-00348$5.74 -
HK Locking Roller Pin - Bolt Head
H&K Heckler & Koch
$9.95HK Heckler & Koch HK Pin - Roller - Locking - Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped...HKP-00066$9.95 -
HK Vertical Foregrip - Long - Picatinny
HKP HK Parts
$24.95HKP Vertical Grip - Picatinny Mount - Long This rock-solid grip is a must-have for anyone who uses a vertical grip. This is the only vertical grip that offers a built-in aluminum locking block for ease of attachment security. Features: Attaches in...HKP-15296$24.95 -
HK90 Series Cocking Handle and Front Sight Roll Pin
H&K Heckler & Koch
$1.95H&K Front Sight Tower & Cocking Handle Pin Front sight tower roll pin for all HK 90 series front sights as well with some other applications. Compatible With: HK MP5, SP5 HK MP5K, SP5K HK91, G3 HK33, HK53, HK93HKP-00096$1.95 -
HK33, HK53, HK93, HK91, G3 Hex Buffer Screw - Front
HKP HK Parts
$0.69Enhanced Hex Style Buffer Screw New upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old style buffer screws were used the older slotted head and...HKP-17883$0.69 -
Out Of Stock
HK91, G3, CETME Receiver Flat with Weldment Set
PTR
$166.95HK91, G3, PTR, CETME Flat & Weldment Combo - PTR Made by PTR91 on original HK tooling using factory specifications and a properly stamped receiver ready to roll and build. No FFL transfer is required as this is an un-folded flat. Compatible...HKP-02086$166.95 -
HK90 Series Mag Paddle Bushing with Pin for Semi Builds
DTAC Dakota Tactical
$9.89DTAC Mag Paddle Bushing With Pin For Semi-Builds This part is made 100% in the US from 17-4 stainless steel. Latest production with patent pending anti-binding enhancement upgrade. Accurate tolerance for easy movement with minimal play. It has an...HKP-02194$9.89 -
HK33, HK53, HK93, HK91, G3, MP5 Optic Mount - Front Sight Tower - Picatinny
HKP HK Parts
$39.95FRONT SIGHT TOWER RAIL MOUNT- Lights & Lasers HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-16672$39.95 -
HK Semi Auto Spacer with Elbow Spring - Match Grade
PTR
$11.95PTR Semi Auto Spacer With Elbow Spring - Match Grade For use on all HK semi-auto trigger packs. It's a must-have for those converting a full auto trigger pack to semi-auto. This unit provides a "match" grade feel to your trigger pull.HKP-00838$11.95