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
HK90 Series Retaining Spring for Ejector Lever Axle
USA
Now: $1.75Was: $1.95Ejector Lever Axle Retaining Spring This is the perfect spring ring to replace your worn out ejector lever axle spring ring. Made to HK spec for the best US replacement part on the market. Replacement of the retaining spring clip is necessary to keep...Now: $1.75Was: $1.95 -
On Sale
HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
HKP HK Parts
Now: $15.90Was: $19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...Now: $15.90Was: $19.87 -
On Sale
HK Picatinny Rail For HK Receivers - 17 Slot
HKP HK Parts
Now: $55.96Was: $69.95HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...Now: $55.96Was: $69.95 -
On Sale
HKP Cocking Tube End Cap-Steel
HKP HK Parts
Now: $15.96Was: $19.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerNow: $15.96Was: $19.95 -
On Sale
HK German Recoil Guide Rod Rivet
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...Now: $8.96Was: $9.95 -
On Sale
HK Magazine Catch, Push Button Roll Pin
H&K Heckler & Koch
Now: $4.46Was: $4.95H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...Now: $4.46Was: $4.95 -
On Sale
HK91, G3 Weldment Set Complete
HKP HK Parts
Now: $63.96Was: $79.95HK 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 rear...Now: $63.96Was: $79.95 -
On Sale
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
Now: $8.09Was: $8.99Roller +3 - New - 8.03mm HK Parts Standard (8.03 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: $8.09Was: $8.99 -
On Sale
HK SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
Now: $29.66Was: $32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...Now: $29.66Was: $32.95 -
On Sale
Universal Cleaning Kit - Used
H&K Heckler & Koch
Now: $4.46Was: $4.95Original German Army Issue HK91/G3/PTR Cleaning Kit - Surplus Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Compatible With: G3, 91, PTR, C308, CETME 93, 33, 53 MP5, MP5SD, 94 MP5K,...Now: $4.46Was: $4.95 -
On Sale
HK Semi Auto Shelf for Receiver - Billeted
HKP HK Parts
Now: $14.36Was: $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...Now: $14.36Was: $17.95 -
On Sale
HK91, G3 Tactical Grip for Metal Grip Frames
Ergo
Now: $53.96Was: $59.95Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames The ergonomically enhanced ERGO Tactical Deluxe Grips are compatible with all metal HK grip frames, both the semi-auto & full auto metal grip frames. Compatible With: HK 91, G3, PTR, CETME, 93,...Now: $53.96Was: $59.95