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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H&K 91/G3 (7.62x51/.308) Rear Sight Drum - Used
H&K Heckler & Koch
$4.95HK German Rear Sight Drum For .308/7.62 - Used Used surplus genuine Heckler & Koch German manufactured product. Rare and hard to find. Most come in good shape but could use a good refinish. Used and range from good - exc shape. Compatible With: HK...HKP-18093$4.95 -
MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - 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 -
H&K 91/G3 (7.62x51/.308) Magazine Catch
H&K Heckler & Koch
$19.95G3 Magazine Catch High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK G3 HK91 PTR91HKP-02073$19.95 -
H&K HK91, G3, PTR Parkerized 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 -
Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel
Harris Engineering
$149.95Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...HKP-00983$149.95 -
HKP 90 Series F1 Flat Trigger - Skeletonized
HKP HK Parts
$59.95HKP 90 Series F1 Flat Trigger - Skeletonized The HK Parts Skeletonized F1 flat 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF, and Navy style trigger packs effortlessly. Machined from...HKP-21580$59.95 -
H&K 91/G3 (7.62x51/.308) SEF Navy Style Trigger Group HK G3 - Used Excellent
H&K Heckler & Koch
$389.95H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...HKP-18670$389.95 -
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 -
Out Of Stock
PTR HK 91/G3 Central Stock Section - A2 Style
PTR
$54.95Central Stock Section For A2 Stock- HK U.S. This is a PTR-manufactured part that is hard to find and is important for keeping your HK G3 and HK 91 build 922r compliant.HKP-01463$54.95 -
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 -
DTAC Picatinny Rail For HK Receivers - 13 Slot
DTAC Dakota Tactical
$74.95DTAC Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-17818$74.95 -
H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black
H&K Heckler & Koch
$179.95H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK...HKP-19375$179.95 -
H&K Selector Catch Lever for HK Ambidextrous Trigger Packs
H&K Heckler & Koch
$39.95HK German Ambidextrous Trigger Pack Axle Catch Lever This is the lever that allows you to take apart any of the ambidextrous trigger packs. This lever takes the spring tension off the left and right side selector levers, allowing you to remove and...HKP-01636$39.95 -
AIM HK to AR15 Adapter
AIM
$54.99AIM HK to AR15 Adapter The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our adapter, you can use your...HKP-20891$54.99 -
Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 5/8x24
Kaw Valley Precision
$44.99Kaw Valley Precision 9mm 3 Lug Suppressor Adapter - Threaded 5/8x24 The KVP 3-Lug adapters are manufactured to replicate the popular HK pattern 3-Lug interface. Concentricity of ID and OD surfaces are paramount in any suppressor attachment...HKP-19986$44.99 -
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 -
SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1
$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 -
H&K 33/91/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 -
PTR PDW (7.62x39) & (7.62x51/.308) Pistol Full Auto Bolt Carrier
PTR
$229.95 - $330.95PTR PDW (7.62x39) & (7.62x51/.308) Pistol Full Auto Bolt Carrier Made by PTR using the same blueprints and materials the German HK factory uses has allowed PTR91 to manufacture the finest of HK style firearms here in the US. The PDW F/A carrier is...HKP-20165-M$229.95 - $330.95 -
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 -
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 -
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 -
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/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used
H&K Heckler & Koch
$59.95German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11HKP-18924$59.95 -
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 -
H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus
H&K Heckler & Koch
$25.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle 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...HKP-16270$25.95 -
H&K Cable Gun Lock
H&K Heckler & Koch
$19.95HK Cable Gun Lock This is the same lock that ships with factory HK firearms.HKP-02442$19.95 -
HK 91/G3 (7.62x51/.308) Bolt Head Complete - US Made
$149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...HKP-00839$149.95 -
Out Of Stock
PTR HK G3/91 (7.62x51/.308) Locking Piece- 45 Degree
PTR
$21.9545 Degree Locking Piece - US Made PTR standard 45 degree locking piece made in the USA by PTR and is design to be a direct replacement for all .308 HK style firearms. Compatible With: G3 PTR 91 HK 91 Other costume clonesHKP-18518$21.95 -
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 -
Magpul HK 91/G3 (7.62x51/.308) Complete Stock - Enhanced Buffer
Magpul
$899.95LAST REMAINING UNITS. Magpul PRS Stock With Enhanced Buffer InstalledThe Magpul PRS2 (Precision Rifle/Sniper) G3 Model is a drop-in, precision-adjustable butt stock especially designed for the HK G3/91/PTR rifle and its variants. Designed to offer the...HKP-16698$899.95 -
Out Of Stock
H&K 45mm Picatinny Rail Cover - Black - Universal
H&K Heckler & Koch
$14.95H&K 45mm Picatinny Rail Cover - Black - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applicationsHKP-18857$14.95 -
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 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 -
B&T HK G3/91/PTR Low Profile Mount - Short Version
B&T Brugger & Thomet
$144.95B&T Mounting Rail NAR Low Profile Mount For HK G3, 91, PTR, Short Version Compatible With: HK G3 HK91 PTR91 Specifications: Overall length: 3.25"HKP-16869$144.95 -
Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...HKP-21102$87.95 -
Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight brings a modernized approach to this classic sighting system. Designed with a distinctive spike-tipped post and a vibrant Tritium dot paired with a Lumi...HKP-21106$87.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$74.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin This German-made Heckler & Koch housing comes in black polymer. This part is compatible with all push pin G3 style firearms. It can also be used for other...HKP-01757$74.95 -
PTR HK 91/G3 (7.62x51/.308) Extractor
PTR
$30.99PTR HK 91/G3 (7.62x51/.308) Extractor US Made by PTR. Made from stainless steel. Compatible With: HK G3 PTR 7.62 X 51mm modelsHKP-16222$30.99 -
On Sale
B&T Tactical Sling - HK MP5, SP5
B&T Brugger & Thomet
Now: $79.95Was: $109.95B&T Tactical Sling 2nd Generation A great sling for a host of weapon systems. Perfect for the MP5, MP5K, HK91, HK93, etc. The B&T sling features an HK sling hook but is universal to any firearm.HKP-16900Now: $79.95Was: $109.95