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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HK G3 Repair Manual
HKP HK Parts
$15.95HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...HKP-15212$15.95 -
HK91, G3 Tactical Handguard
PTR
$149.95New 2nd Generation- HK Black Matte Finish PTR, HK91, G3 Forearm Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides,...HKP-00368$149.95 -
HK33, HK91, G3 Complete Triple Frame Front Sight Tower
H&K Heckler & Koch
$29.95NEW HK German Front Sight Tower Triple Frame G3 triple frame in. Comes complete with sight blade and roll pin. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18777$29.95 -
HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
H&K Heckler & Koch
$34.95Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized.HKP-19692$34.95 -
HK91, G3 Folding Stock
Choate
$147.95HK91, G3, & PTR - Folding Stock The HK Choate side folding stock is complete with a sling swivel and a new German HK backplate, ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock. Pull the two stock...HKP-01950$147.95 -
HK416, MR556, HK417, MR762 Flash Hider - G28 Style - Threaded 15x1
MFI
$79.95MFI HK G28 Style Flash Hider - Threaded 15x1 The G28, 2nd Gen flash hider is threaded 15x1 RH pitch, which is a standard HK Thread Pattern for .308 and .223 caliber weapons. It also has a deep counter bore to allow the product to cover the area behind...HKP-16337$79.95 -
HK33, HK53, HK93 Push Pin Spring
MKE
$3.95MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...HKP-22228$3.95 -
ASR AC233 Flash Hider - .30 CAL - Threaded 15x1
SilencerCo
$92.95SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...HKP-19507$92.95 -
HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
RCM
$164.95RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring, splined design for secure flash hider attachment, and a...HKP-02391$164.95 -
HK91, G3 Lower, Complete - SEF Full Auto - Green - Surplus
H&K Heckler & Koch
$349.95HK Heckler and Koch Complete Full Auto Steel Green Lower SEF from Surplus Stock for HK91, G3 Each lower includes a complete full-auto trigger pack, selector lever, green grip, metal SEF grip frame, and grip screw with washer. All parts are installed and...HKP-16215$349.95 -
HK91, G3 Firing Pin Spring - Used
H&K Heckler & Koch
$4.95Heckler and Koch 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Grab one for a spare, just in case.HKP-16711$4.95 -
On Sale
Century Arms AP51 A3 Telescopic Stock - BLEMISHED
MKE
Now: $245.96Was: $449.95MKE Century Arms AP51 A3 Telescopic Stock - BLEMISHED INSTALLATION MARKS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory new MKE stock professionally...HKP-21926-BNow: $245.96Was: $449.95