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 20 Round Aluminum Magazine - Used
H&K Heckler & Koch
$9.95HK G3, HK91 & PTR91 German 20 Round Magazine - Alloy - Used German manufactured aluminum paratrooper magazines used in. Perfect for your HK G3/PTR style firearm. Each unit is German manufactured and a great deal for the condition of these mags as...HKP-18068$9.95 -
On Sale
HK MP5, HK90 Series Ejector Spring
H&K Heckler & Koch
Now: $5.95Was: $6.95H&K Ejector Lever Spring The new HK German factory ejector lever spring fits all HK 90 series of rifles and pistols. This is a common repair and replacement part, and it is a recommended spare part for every HK enthusiast or shooter. SEF, Ambi, and...HKP-00059Now: $5.95Was: $6.95 -
On Sale
HK91, HK G3 Magazine - 20 Round - Aluminum
H&K Heckler & Koch
Now: $19.99Was: $24.95New German 20 Round Aluminum Magazine - G3, 91, PTR Brand new old stock German manufactured paratrooper alloy magazine. This item is no longer in production and is getting harder to find in new condition. These mags are the real deal, perfect for your HK...HKP-00222Now: $19.99Was: $24.95 -
On Sale
HK G3, HK91, HK93, HK53 Extractor Spring
H&K Heckler & Koch
Now: $5.95Was: $6.74HK German 308/7.62 & 556/.223 Rifle Extractor Spring New factory HK German part. The extractor spring is the most frequently replaced part on HK firearms. Compatible With: HK91, G3, PTR HK33, HK53, HK93 HK21, HK11 (non-E spec)...HKP-00188Now: $5.95Was: $6.74 -
On Sale
HK Push Pin for Handguards and Lowers
H&K Heckler & Koch
Now: $7.95Was: $8.95H&K HK Push Pin - Forearm with Lower - Small Push Pin All steel HK German small push pin for use on the lower grip housing. The small push pin is also the correct pin for holding the HK forearm in place. Compatible With: HK91, HK G3, PTR HK93, 33,...HKP-00075Now: $7.95Was: $8.95 -
HK91, G3 Handguard - Slimline Style - Jungle Green - Used Good
H&K Heckler & Koch
$14.95Heckler and Koch HK91 and HK G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Good Used German Military surplus jungle green Slimline Forearm with Heat Shield. Each item is used in good shape and will clean up nicely with a little bit of TLC and...HKP-16266$14.95 -
On Sale
HK91, G3, PTR A2 Fixed Buttstock, Complete - OD Green - Surplus
H&K Heckler & Koch
Now: $23.95Was: $25.95Fixed Stock - OD Green - Surplus - HK 91, G3, PTR Used Olive Drab green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready to use on...HKP-16329Now: $23.95Was: $25.95 -
HK91, G3, PTR Magazine - 20 Round - Aluminum - EXCELLENT/LIKE NEW
H&K Heckler & Koch
$16.95HK G3, HK91, & PTR91 German 20 Round Magazine - Alloy German Manufactured Aluminum Paratrooper Magazines In Excellent - Like New Condition Perfect for your HK G3/PTR style firearm. Each unit is German-manufactured, and a great deal for the condition...HKP-00524$16.95 -
Out Of Stock
HK91, G3, HK33, HK93 Folding Bipod - Steel
HKP HK Parts
$89.95HK33, HK93, HK91, G3 Folding Bipod - Steel Finally, an aftermarket solution for HK enthusiasts who have been searching after that perfect bipod to finish out their build. The HK Parts bipod was painstakingly developed to replicate the original HK...HKP-20834$89.95 -
On Sale
HK Small Push Pin for Handguards and Lowers
USA
Now: $6.95Was: $7.59HK Small push pin - US Made All steel small push pin for use on the lower grip housing for a push pin style of lower housing. Black nitride finish which adds extra durability to the pin plus corrosion and abrasion resistance. The small push pin is also...HKP-20397Now: $6.95Was: $7.59 -
On Sale
HK MP5, HK90 Series Extractor Spring - FMP
H&K Heckler & Koch
Now: $2.95Was: $3.49HK Parts contracted with FMP to bring you this Rifle Extractor Spring New FMP contract! The extractor spring is the number one replaced item on HK firearms. Many HK gunsmiths recommend upgrading with the longer stronger silver spring. Upgrade your...HKP-16248Now: $2.95Was: $3.49 -
HK91, G3, HK33, HK93 Grip for Metal Frames - OD Green - Surplus
H&K Heckler & Koch
$9.95H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price. Compatible...HKP-16333$9.95