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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HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set
HKP HK Parts
$99.95Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1...HKP-17229$99.95 -
H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus
H&K Heckler & Koch
$24.95H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK .223 & .308 HK Rifles. This is the highly...HKP-17855$24.95 -
H&K Ambidextrous Sling Pin O-Ring
H&K Heckler & Koch
$1.95H&K Ambidextrous Sling Pin O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. This item is a common wear/breakage part that does need to be replaced from time to time. This is the part that creates the + seal to keep...HKP-01090$1.95 -
H&K Standard Roller 8.00mm - Used
H&K Heckler & Koch
$7.958.00mm Standard Size (zero or unmarked) For HK Roller Lock Bolt Head HK spec new unmarked 8.00mm roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. The best roller on the...HKP-19374$7.95 -
H&K 90 Series Hammer - MP5/G3/93/53/33 - German - Used
H&K Heckler & Koch
$29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. This hammer is the hammer that is most commonly used in semi auto trigger packs as the secondary sear catch is...HKP-21442$29.95 -
HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1
HKP HK Parts
$129.95HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.HKP-01014$129.95 -
HKP HK 91/G3 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts
HKP HK Parts
$249.95HKP/H&K G3/91 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts HK G3, 91 & PTR .308 Semi Auto Trigger Pack Complete. Works with all 7.62 & .308 HK style firearms. Each trigger group incorporates the following US made compliant parts...HKP-17949$249.95 -
H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent
H&K Heckler & Koch
$149.95H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent In excellent shape! Most have never been on a firearm. They may have storage and handling marks on the polymer housing. Specifications: Made...HKP-19913$149.95 -
B&T Ambidextrous Sling Pin- Large
B&T Brugger & Thomet
$57.95B&T Stock Ambidextrous Sling Pin That Replaces The Push Pin For Stock Each ambi sling pin will allow the use of a sling mounting location for either a left or right hand shooter for replacing the rear stock push pin with this ambi sling pin. Each pin...HKP-16887$57.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - All Metal - Surplus
H&K Heckler & Koch
$8.49HK German HK G3 & HK 91 Older Style All Metal Cocking Handle Used German Military Surplus. No longer made or offered by HK. A genuine Heckler and Koch part. All steel cocking handle. Rare and hard to find. Compatible With: HK 91 HK G3 PTR-91 HK...HKP-16766$8.49 -
Choate HK 91/G3 (7.62x51/.308) Folding Stock Replacement Buffer
Choate
$3.95Choate HK 91 & G3 (7.62x51/.308) Folding Stock Replacement Buffer Choate .308 folding stock replacement buffer for all HK91/G3 PTR stocks. A great item to have on hand as these do wear and are prone to breaking. Compatible With: HK 91/G3HKP-00211$3.95 -
Elite Tactical Systems Universal C.A.M. Loader For Rifles
Elite Tactical Systems
$29.99Elite Tactical Systems Universal C.A.M. Loader For Rifles The first truly universal loader for rifle magazines. A must-have for every rifle owner. Doesn't damage feed lips. Saves time and energy, easy on your thumbs. Features: Loader easily picks up...HKP-18741$29.99 -
H&K Roller Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$29.95H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.HKP-01710$29.95 -
On Sale
PTR PDW (7.62x39) & (7.62x51/.308) Backplate With Recoil Rod
PTR
Now: $109.95Was: $149.95PTR PDW Backplate Assembly Complete With Recoil Rod Each unit has been built with new HK parts and painted HK black, ready for use. The PTR PDW is the collapsible recoil-style assembly designed for use on HK51-style builds such as the PTR PDW pistol or...HKP-02665Now: $109.95Was: $149.95 -
H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned
H&K Heckler & Koch
$79.95H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned This Germa made Heckler & Koch G3 surplus grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HK G3, PTR-91, or other HK .308 type...HKP-00722$79.95 -
On Sale
HKP 90 Series F1 Flat Trigger
HKP HK Parts
Now: $39.95Was: $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-21537Now: $39.95Was: $49.95 -
H&K German Recoil Guide Rod Rivet-Used
H&K Heckler & Koch
$0.48H&K German Recoil Guide Rod Rivet-Used This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. Compatible With: G3, 91, 33, 93, 53 MP5, 94 MP5K SP89 HK21 variantsHKP-16985$0.48 -
On Sale
H&K HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Hand Picked
H&K Heckler & Koch
Now: $899.95Was: $1,099.95G3, 91 Hand Picked Parts Kit - Barrel, Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR 18" GI barrel - 5/8 x 24 Please note: Each...HKP-20071Now: $899.95Was: $1,099.95 -
H&K Flash Hider Retaining Ring
H&K Heckler & Koch
$1.49HK Flash Hider Retaining Ring Brand new HK German manufacture. HK flash hider/muzzle break retaining ring. This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a postive lockup of...HKP-16451$1.49 -
Out Of Stock
H&K Barrel Retaining Pin - 5.15mm
H&K Heckler & Koch
$14.95H&K Barrel Retaining Pin - 5.15mm This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunnion. Each pin is slightly oversized for...HKP-01662$14.95 -
H&K 91/G3 (7.62x51/.308) Firing Pin - Used
H&K Heckler & Koch
$6.95H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone riflesHKP-16710$6.95 -
H&K G3 Crush Washer For Buffer Screw
H&K Heckler & Koch
$0.95HK G3 Crush Washer For Buffer ScrewHKP-16984$0.95 -
H&K Grip Cap Replacement Spring
H&K Heckler & Koch
$4.95H&K Grip Cap Replacement Spring This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use. We use...HKP-16408$4.95 -
H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut
H&K Heckler & Koch
$9.95H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut New HK German Hammer Strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a non-pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: The...HKP-15445$9.95 -
Out Of Stock
PTR AR Stock Adapter For HK Firearms
PTR
$99.95AR15 to HK 90 Series Stock Adapter For AR15 &M4 Style Stocks, Braces For use on any commercial, mil-spec, or pistol AR15/M16/M4 stock, brace, & buffer tube of your choice. Perfect for your HK rifle, pistol, or SBR build. With our M4 adapter, you...HKP-16550$99.95 -
HKP 90 Series Paddle Mag Release Easy Install Fixture
HKP HK Parts
$187.95HKP 90 Series Paddle Mag Release Easy Install Fixture The original one and only paddle mag release fixture. The perfect jig for the installation of the factory correct paddle mag release with the proper hole placement and an easy to use jig that will...HKP-17587$187.95 -
H&K 90 Series Trigger-Used
H&K Heckler & Koch
$14.95H&K 90 Series Trigger-Used German 90 series surplus trigger in used condition taken from demilled HK German G3 firearms. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-17920$14.95 -
Out Of Stock
PTR HK 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Central Stock Section With Butt Pad
PTR
$99.95U.S. HK 91, G3, PTR Central Stock Section Black With Butt Pad Compliant parts are hard to find and are important for keeping your HK G3, HK 91, HK33, and 93 build 922r compliant. Compatible With: HK G3, 91, PTR CETME HK 93, 33, 53 Other...HKP-00379$99.95 -
H&K G3 Buffer Screw Locking Washer
H&K Heckler & Koch
$0.95HK G3 Buffer Screw Locking Washer Used in good, working conditon.HKP-16983$0.95 -
H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used
H&K Heckler & Koch
$5.99H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used USED German G3, 91, PTR Central Butt stock Section- Green in color. This stock section is no longer being manufactured as the HKG3, HK91 are out of production. Each surplus section is...HKP-17139$5.99 -
HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended
HKP HK Parts
$69.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...HKP-19026$69.95 -
H&K 91/G3 (7.62x51/.308) Complete F/A Trigger Pack (SEF) - Used
H&K Heckler & Koch
$299.95H&K G3/91 (7.62x51/.308) SEF Complete F/A Trigger Pack - USED A Heckler & Koch genuine part. The best price anywhere for a complete surplus German trigger pack. This offering is a full auto HK SEF .308 trigger pack complete with all internals...HKP-00522$299.95 -
H&K Cocking Tube End Cap/Dust Cap
H&K Heckler & Koch
$39.95H&K Cocking Tube End Cap/Dust Cap This part is Factory HK, painted black and not surplus or old stock. Each is factory-fresh and manufactured in steel. Compatible With: Compatible with all 90 series HK firearms and clones that use a triple...HKP-00099$39.95 -
H&K HK G3, HK 91, PTR Rear Sight Assembly
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - New HK - Hand Windage Adjustment Knob HK German factory rear sight assembly with all hardware included. We offer the finest new HK sights at the BEST price in the country. Each set comes complete with...HKP-19372$39.95 -
H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
H&K 33/93/91/51/G3 (5.56/.223) & (7.62x51/.308) Paddle Mag Release - Standard
H&K Heckler & Koch
$8.95New HK German Paddle Magazine Release This item is a brand new H&K genuine part, not a used or surplus part. It's used for installation on all HK .223 & .308 HK rifles. Compatible With: HK 91 HK G3 HK 51 HK 93 HK 33 HK PSG-1 HK MSG-90HKP-01851$8.95 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used
H&K Heckler & Koch
$14.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used This is a used German Military surplus OD green Slimline Forearm with a heat shield. Each forearm is in good condition and can be restored with a bit of TLC. The conditions range from good...HKP-16265$14.95 -
HKP Semi Auto Trigger Box - Billeted
HKP HK Parts
$69.95HK 90 Series, Century, PTR, & Zenith Trigger Pack - USA This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into the trigger pack, and your...HKP-02384$69.95 -
H&K Sling Hardware
H&K Heckler & Koch
$4.95HK German Sling Hardware New Old Stock Slider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture.HKP-19367$4.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus
H&K Heckler & Koch
$129.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-18936$129.95