HK G3/91 Series
Discover the ultimate collection of parts for your H&K G3 and H&K 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 H&K G3 or H&K 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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Out Of Stock
H&K 91/G3/93/33/94 PSG1 Style Wooden Grip for Metal Grip Frames
H&K Heckler & Koch
$0.00New HK German PSG1 Wooden Walnut Grip Complete As Shown. Fits all HK91, G3, HK93,33 and even HK94 and SP89 metal grip frames.HKP-00226$0.00 -
Out Of Stock
H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel
H&K Heckler & Koch
$0.00New HK German 5 Round Factory G3, 91 .308 Steel Magazine This is the real deal 100% new and factory German HK. Factory fresh and not a conversion magazine. Spendy...yes but the real deal, and issued with firearms such as the PSG1, MSG90, etc.Fits all of...HKP-00220$0.00 -
H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used
H&K Heckler & Koch
$18.99H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clonesHKP-21555$18.99 -
Out Of Stock
H&K 93/33/G3 (5.56/.223) & (7.62x51/.308) Vented Wide Forend Black
H&K Heckler & Koch
$0.00HK 93, 33 & G3K Wide Black Vented Forearm Overall 11.5 inches long. Made for 16" barreled rifles. Easy installation. HK 93 HK 33 HK G3K PTR-91K 16" barrels 16" Barreled ClonesHKP-00471$0.00 -
Out Of Stock
H&K Ambidextrou Navy 3 Position Incomplete Trigger Housing
H&K Heckler & Koch
$0.00H&K 3 Position (0,1,3,F Pictoogram) Ambidextrous Navy Style Incomplete Trigger Housing This factory correct HK German trigger pack is a rare find and an excellent spare for your HK ambidextrous Navy trigger group. Featuring the 3 position pictogram...HKP-13482$0.00 -
Out Of Stock
H&K B&T Style Sling Swivel With Attachment Screw
H&K Heckler & Koch
$0.00H&K B&T Style Sling Swivel with Attachment Screw Same part found on the HK German MP5K, SP5K end caps and the B&T folding brace and folding stocks. The sling swivel is made by HK in Germany the mounting hardware is made in the USA. This is...HKP-18150$0.00 -
Out Of Stock
H&K Elbow Spring Spacer For Semi-Auto
H&K Heckler & Koch
$0.00New HK German manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs.HKP-01553$0.00 -
Out Of Stock
H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned
H&K Heckler & Koch
$0.00H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned This ambidextrous HK trigger housing features a 4 position pictogram (0,1,3,F) and is set up in a semi-auto clipped & pinned...HKP-01515$0.00 -
Out Of Stock
H&K German Bayonet Adapter With Hardware
H&K Heckler & Koch
$0.00H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Screw & Hardware. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring loaded mechanism in the bayonet adapter. NEW NOT...HKP-00021$0.00 -
H&K HK G3 Standard Stock Buttpad - OD Green - Like New
H&K Heckler & Koch
$11.95H&K Standard Stock Buttpad - OD Green - Like New This HK German-manufactured stock buttpad in dark OD green is the ultimate replacement for your worn-out or broken buttpad on your G3 A2 fixed stock. Handpicked to ensure the highest quality part...HKP-21479$11.95 -
Out Of Stock
H&K HK G3, 91 F/A Complete Bolt Group
H&K Heckler & Koch
$0.00German G3, 91 F/A Bolt Group CompleteEach Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3 locking piece...HKP-19671$0.00 -
H&K HK91 SEF Steel Semi-Auto Trigger Group w/ Extended Selector
$454.95German HK91 Surplus Lower Complete - Black Grip HK 91 SEF steel lower complete. Each lower includes semi-auto trigger pack complete, extended selector lever, black pistol grip, metal SEF grip frame, grip screw with screw washer. All of these parts are...HKP-20221$454.95 -
Out Of Stock
H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin This SEF grip housing features classic finger grooves and is crafted for factory push pin receivers. It's perfect for replacing worn out or faded SEF grip frames. The...HKP-16406$0.00 -
Out Of Stock
H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...HKP-19712$0.00 -
Out Of Stock
H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal
H&K Heckler & Koch
$0.00H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal This unmarked universal ambidextrous lower housing is designed for use with ambidextrous trigger packs, offering versatility across multiple H&K...HKP-19854$0.00 -
Out Of Stock
H&K Navy Left Side Selector Lever-3 Position
H&K Heckler & Koch
$139.95HK Ambidextrous Left Side 3 Position Navy Selector Lever New German HK Lever For All 3 Position Navy Ambidextrous Trigger Packs Or Trigger Groups. Will Not Fit SEF Style Trigger Packs. Brand new factory German HK. Safe, Semi, Full. (0,1,F) 3 Position...HKP-00122$139.95 -
Out Of Stock
H&K PSG1/MSG90/G3/91 (7.62x51/.308) Stock
H&K Heckler & Koch
$0.00New HK German MSG-90 Rear Stock Complete These MSG90 stocks have the PSG1 single stage buffer installed & are fully adjustable. A genuine Heckler & Koch OEM product. The cheek piece and butt pad are adjustable on the fly. This stock is 2...HKP-00540$0.00 -
Out Of Stock
H&K Roller Sear For Burst Trigger Packs
H&K Heckler & Koch
$0.00New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly called a sear.HKP-01711$0.00 -
Out Of Stock
H&K SEF Selector Lock Out Safety Key
H&K Heckler & Koch
$0.00H&K SEF Selector Lock Out Safety Key You must have a special lever to use this tool. Compatible with all SEF lockout selectors.HKP-01482$0.00 -
Out Of Stock
HK 91/G3 (7.62x51/.308) Heavy Recoil Buffer
$199.95HK Heavy Recoil Buffer For HK Style Firearms This is made 100% in the USA by one of the best HK gunsmiths. Each unit is based on the original HK German 2-stage factory heavy buffer. Compatible With: HK 91, G3, PTR SAR-3/8, FMP, Vector, SR9, PTR...HKP-01067$199.95 -
HK G3 Incomplete Backplate - Painted
H&K Heckler & Koch
$29.95HK G3 Incomplete Backplate - Painted Factory German G3 refinished backplate. This backplate was fully reconditioned and painted in the HK black finish for a factory look. A great replacement or spare to have around to replace your broken or worn out...HKP-21541$29.95 -
Out Of Stock
HK German Carry Handle - HK91, G3, HK93, & HK33 - New Old Stock
H&K Heckler & Koch
$0.00HK German Carry Handle for HK91, G3, HK93, & HK33 Weapon Systems - New Old Stock HK German new old stock condition. The carry handle installs by sliding the carry handle over the cocking tube to make contact with the trunnion. This can be installed...HKP-19551$0.00 -
Out Of Stock
HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig
HKP HK Parts
$69.95HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...HKP-17586$69.95 -
HKP HK 91/G3 (7.62x51/.308) Ambidextrous Trigger Pack (0,1)
HKP HK Parts
$362.95HKP/H&K G3/91 (7.62x51/.308) 2 Position 0,1 Ambidextrous Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available...HKP-17232$362.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Firing Pin - Titanium
HKP HK Parts
$29.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...HKP-17937$29.95 -
On Sale
HKP HK G3/HK91 Stock Set Hydro Dip - BLEMISHED
HKP HK Parts
Now: $59.95Was: $99.95HKP HK G3/HK91 Stock Set - BLEMISHED - Hydro Dip-Carbon Fiber PLEASE NOTE: SOLD AS-IS DUE TO THE HYDRO DIP BEING BLEMISHED - SEE PHOTOS. Compatible With: HK G3 HK91HKP-21476-BNow: $59.95Was: $99.95 -
Out Of Stock
HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH
HKP HK Parts
$79.95HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH This fits any threaded 15x1 RH HK barrel. The overall length is 4.37 inches. These are the perfect length of the G3K and HK33K style builds as they will yield...HKP-00501$79.95 -
Out Of Stock
HKP/H&K 91/G3 (7.62x51/.308) Trigger Group - 3 Position - Navy Housing
HKP HK Parts
$579.95G3, 91, PTR Trigger Group 3 Position Navy Housing Introducing a cost-effective alternative to the high-priced and rare all-German HK FBI or 0,1 ambidextrous trigger groups. This semi-auto trigger group is available in a 3-position Navy factory German HK...HKP-17242$579.95 -
On Sale
Picatinny to Harris Bipod Adapter - Universal
HKP HK Parts
Now: $14.95Was: $33.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-mounting bipods. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and...HKP-21528Now: $14.95Was: $33.95 -
On Sale
Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round - BLEMISHED
Raddlock
Now: $5.95Was: $9.95Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round - BLEMISHED BAD FINISH. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This plug is...HKP-02443-BNow: $5.95Was: $9.95 -
RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$274.95RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3 rifles did not incorporate. A true piece of history can be...HKP-21353$274.95 -
Out Of Stock
SchuBrichtung HK G3 & MP5 Illuminating Light and Aiming Projector
SchuBrichtung
$399.95Illuminating Light and Aiming Projector - HK G3 & MP5 Rare aiming projector used by German police and military. Will fit and work on the factory HK spec 90's series firearms. Each unit comes with the factory HK claw mount most units are in exc to...HKP-19492$399.95