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 Rear Sight Oval Washer
HKP HK Parts
Now: $2.36Was: $2.95HKP Rear Sight Oval Washer HK German oval washer for the rear sight diopter style assemblies. This is the needed washer used in conjunction with the locking washer. Fits and works with all diopter-style rear sights.Now: $2.36Was: $2.95 -
On Sale
HK91, G3 Recoil Spring
H&K Heckler & Koch
Now: $7.16Was: $7.95HK German G3, 91, PTR Recoil Spring Best price in the country, on a new German HK factory recoil spring. No surplus or used springs here. Factory-fresh and HK German. Stock up at this price you can afford to keep a few as spares, why buy surplus springs...Now: $7.16Was: $7.95 -
On Sale
HK Pistol Dual Battery Holder - Grip, Parts Storage
HKP HK Parts
Now: $23.96Was: $29.95HKP Pistol Grip Parts Storage Holder A must have item for storage of much needed 123 batteries for your gear such as optics, lasers, illuminators, etc. This HK grip plug will fit all Navy Style or Ambidextrous housings that have the holding tabs in the...Now: $23.96Was: $29.95 -
On Sale
HK91, G3 Rear Push Pin Reinforcement Weldment
PTR
Now: $17.95Was: $19.95HK91, G3, PTR, CETME Push Pin Reinforcement Weldment HK91/G3/PTR91 or CETME steel receiver flat weldment that is added to the rear of the receiver where the 2 large stock push pins install to reinforce this section of the receiver against damage or use...Now: $17.95Was: $19.95 -
Out Of StockOn Sale
HK91, G3 36 Degree Locking Piece #17
RCM
Now: $44.99Was: $49.99RCM HK G3/91 36 Degree Locking Piece #17 One of the best ways to slow down & tame that HK21. Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for...Now: $44.99Was: $49.99 -
On Sale
HK MP5, HK94, HK 93, HK91, PTR SL Grip Module Semi Shelf
Magpul
Now: $53.96Was: $59.95Magpul - SL Grip Module - HKMP5/94/93/91 & Semi Shelf & HK Clones The Magpul SL Grip Module is a high-strength, injection-molded polymer grip module for HK MP5/94/93/91 & Semi Shelf HK Clones*. Designed with improved ergonomics, a non-slip...Now: $53.96Was: $59.95 -
On Sale
HK Semi Shelf Weldment - Metal Grip Housing
HKP HK Parts
Now: $11.96Was: $14.95HKP Semi Shelf Weldment Metal Grip Housing For Semi-Auto Trigger Packs This HK German specification metal trigger frame weldment is designed for converting SEF style housings from full auto to semi-auto. This weldable block or shelf is essential for...Now: $11.96Was: $14.95 -
On Sale
HK90 Series Magazine Catch Spring
H&K Heckler & Koch
Now: $4.46Was: $4.95Heckler and Koch Magazine Catch Spring for the HK90 Rifle Series New HK German manufacture, not used, worn out surplus springs. Perfect spare and a must-have mag catch spring for all 90 series rifles that use a detachable magazine. Compatible...Now: $4.46Was: $4.95 -
On Sale
HK91, G3 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
Now: $33.26Was: $36.95HK German 20 Round Steel Magazine - Very Good To Excellent Shape Each magazine in this offering is the best of the used steel surplus magazines available, features the best finish, and has the lowest amount of wear possible. No longer in production,...Now: $33.26Was: $36.95 -
On Sale
HK Armorer's Tool Kit
HKP HK Parts
Now: $47.57Was: $67.95HKP Armorer's Tool Kit Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge setNow: $47.57Was: $67.95 -
On Sale
HK MP5, MP5K Optic Mount - Raised - Picatinny Rail
HKP HK Parts
Now: $87.96Was: $109.95HKP HK MP5 Picatinny Rail Optic Mount HK Parts Picatinny style optic mount for the MP5 or MP5K. Quickly mount any Picatinny optic to your HK while retaining a full view of the factory sights. Available exclusively at HK Parts. Compatible With: HK...Now: $87.96Was: $109.95 -
On Sale
HK End Cap - Cocking Tube - Aluminum
HKP HK Parts
Now: $11.96Was: $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 towerNow: $11.96Was: $14.95