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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HK German Leather Sling
H&K Heckler & Koch
$99.95German HK Leather 2 point sling - New Comes with HK sling hook. Complete and new condition. Made with leather straps and steel hardware and HK sling hook. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones or other custom...HKP-20485$99.95 -
HKP Tactical Rail - 2" - HK91/93
HKP HK Parts
$16.95HKP Tactical Rail - 2 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-02527$16.95 -
Out Of Stock
PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24
PTR
$214.95PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...HKP-18435$214.95 -
H&K G3/91 Trunnion- Used
H&K Heckler & Koch
$39.95HK German HK G3 & HK 91 Trunnion - Used These trunnions are from demilled G3 parts kits and will have leftover receivers and barrel stubs installed along with factory barrel pins. Please note the picture shows one with the demilled parts removed...HKP-00718$39.95 -
PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24
PTR
$229.95PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 This new PTR-91 US-manufactured 18" heavy profile match grade barrel is perfect for new builds and counts as one US-made compliant part. It features the proper fluted chambers for HK G3/91 rifles...HKP-19633$229.95 -
Bore Boss Pull-Through Bore Cleaner - .30 /.308 /7.62mm
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...HKP-19399$10.95 -
H&K 33/91/G3 Complete Triple Frame Front Sight Tower
H&K Heckler & Koch
$24.95NEW 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$24.95 -
H&K 90 Series Trigger
H&K Heckler & Koch
$19.95H&K 90 Series Trigger New German 90 series Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-18706$19.95 -
Out Of Stock
H&K Extended Right Side Ambidextrous Selector Lever
H&K Heckler & Koch
$149.95HK German Right Side Ambidextrous EXTENDED (ESSL) Lever New German HK extended selector lever for the right side of all ambidextrous trigger packs. Works with all ambi left side HK selector levers. Compatible With: MP5, 94 MP5 clone and custom...HKP-18875$149.95 -
HKP HK G3, HK 91, PTR 91 Spare Parts Kit
$149.95HKP HK G3, HK 91, PTR 91 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK G3 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required...HKP-20684$149.95 -
PTR HK 91/G3 (7.62x51/.308) Tactical Forearm
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 -
H&K 91/G3 (7.62x51/.308) F/A Bolt Carrier - Tungsten Filled - Surplus
H&K Heckler & Koch
$249.95HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all used and in good shape and need to be...HKP-01998$249.95 -
H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used
H&K Heckler & Koch
$4.95H&K 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 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Good
H&K Heckler & Koch
$17.45Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm length HK 91, G3, PTR style firearmsHKP-18316$17.45 -
H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - Flectarn
H&K Heckler & Koch
$49.952x20 Round Aluminum Mags W/ New Cloth Mag Pouch - Flectarn Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 clones Other custom HK91/G3 style builds or custom clonesHKP-14550$49.95 -
H&K G3 Operators Manual
HKP HK Parts
$21.95HK G3, 91, PTR Operators Manual The G3 Operators Manual is for the Full Auto version of the HK91. Page-by-page translation of the original German Army instruction manual for the G3 family of firearms. With 120 pages and six full-color illustrations...HKP-15211$21.95 -
H&K HK G36C/G36K Gas Piston
H&K Heckler & Koch
$89.95HK German G36C & G36K Gas Piston - Complete New HK German factory G36C and G36K gas piston complete with sealing rings installed. A great spare or replacement part. This is also a popular part for those upgrading to an SL8 to G36K or C barrel length...HKP-00352$89.95 -
HKP Tactical Rail - 4" - HK91/93
HKP HK Parts
$12.95HKP Tactical Rail - 4 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-02528$12.95 -
PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete
PTR
$234.95PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use an AR M4 style stock on your HK rifle or SBR. Each stock set...HKP-16142$234.95 -
Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black
Talon Grip
$19.99Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20229$19.99 -
Out Of Stock
H&K PTR PDW (7.62x39) & (7.62x51/.308) Retractable Stock - A3 - Used
H&K Heckler & Koch
$0.00PTR PDW Retractable Stock - German Each PTR PDW A3 stock was converted by using a factory, like-new HK German A3 retractable stock. These stocks are professionally converted into a custom-fitted PTR PDW stock including a heavy profile collapsing rod...HKP-16100$0.00 -
HKP 90 Series F1 Flat Trigger
HKP HK Parts
$49.95HKP 90 Series F1 Flat Trigger With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...HKP-21537$49.95 -
PTR AR Stock Adapter & Buffer Tube For HK - Commercial
PTR
$124.95PTR AR Stock Adapter & Buffer Tube For HK - Commercial With this adapter, you can use your existing metal backplate, standard G3 buffer, and your choice of stock to add an AR15 stock to your HK firearm. This part is a perfect compliment for those who...HKP-14339$124.95 -
AIM HK 91/G3 (7.62x51/.308) Extended Carbine Length Handguard - M-LOK
AIM
$74.95HK G3 EXTENDED CARBINE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...HKP-18172$74.95 -
Friction Sear-USED For SEF, Navy Trigger Packs
H&K Heckler & Koch
$4.49Friction Sear-USED For SEF, Navy Trigger Packs Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16197$4.49 -
H&K 90 Series Burst Trigger Pack Compression Rod
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
H&K Ambidextrous Left Side Extended ESSL 4 Position Burst
H&K Heckler & Koch
$299.95HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...HKP-00126$299.95 -
H&K G3 Standard Buffer Locking Plate
H&K Heckler & Koch
$1.49H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.HKP-16982$1.49 -
H&K German Claw Mount - Refinished
H&K Heckler & Koch
$299.95H&K German Claw Mount - Refinished Genuine German HK manufactured refinished claw mounts. No longer made or available as these are out of production and supplies are drying up worldwide. Compatible With: HK MP5 HK 93 HK 91 HK G3 HK PSG-1 HK MSG-90HKP-20632$299.95 -
H&K German Red Handled Rear Sight Adjustment Tool
H&K Heckler & Koch
$99.95H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...HKP-00080$99.95 -
H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release
H&K Heckler & Koch
$29.95HK .223/556 & 308 Contact Piece For Paddle Magazine Release German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK 33, 53, 93 HK G3, 91, PTR91HKP-00465$29.95 -
H&K 91/G3 (7.62x51/.308) Complete Bolt Head - Enfield HK Contract - Used
H&K Heckler & Koch
$179.95HK G3 & HK 91 & PTR Bolt Head Complete - British Enfield - Exc/Like New Made On HK tooling & prints in the Enfield factory in Britain in 1988. Each bolt head is complete with the bolt head parts installed & 100% functional. Removed from...HKP-18423$179.95 -
Trijicon 90 Series Front & Rear Night Sight Set
Trijicon
$124.95Trijicon 90 Series Front & Rear Night Sight Set Trijicon produces the brightest night sights available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for quicker, more accurate point-and-shoot...HKP-00373$124.95 -
B&T MP5, HK33, G3, PTR - Mid Range Mount
B&T Brugger & Thomet
$129.95B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...HKP-16882$129.95 -
Choate HK 91/G3 (7.62x51/.308) 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 -
Choate PTR PDW (7.62x39) & (7.62x51/.308) Folding Stock
Choate
$228.95Choate PTR PDW (7.62x39) & (7.62x51 /.308) Folding Stock New HK Choate side folding stock complete with sling swivel, new German HK backplate, and ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock...hkp-14348$228.95 -
POF HK G3, 91, PTR SlimLine Hand Guard
POF
$19.95New Slim Line HK91, G3, PTR Forearm - POF Each forearm is a new HK contract POF offering. Black in color, no internal heat shield. This item is the standard HK G3, 91 length forearm for use on full size HK G3, 91, PTR rifles. Compatible With: HK 91 HK...HKP-19560$19.95 -
PTR HK 91/G3/PTR-91 (7.62x51/.308) GI-K Barrel - Threaded 5/8x24 RH
PTR
$190.99PTR HK 91/G3/PTR-91 (7.62x51/.308) GI-K Barrel - Threaded 5/8x24 RH PTR/91 US made G.I. specification 16.25" barrel Trheaded 5/8 x 24. You get to use standard G3, HK91 forearms and cocking tubes with the shortness of a 16" barrel. This is the perfect...HKP-16632$190.99 -
RCM HK 51 (7.62x51/.308) Barrel - 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 -
Choate PTR PDW & HK 51 (7.62x39) & (7.62x51/.308) Tactical Folding Stock - Adjustable
Choate
$239.95Choate PTR PDW & HK 51 Tactical Folding Stock - Adjustable The adjustable length system lets smaller-stature shooters or officers wearing body armor have a weapon that fits their needs. This stock also has spacers to allow the stock to be lengthened...HKP-14537$239.95