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) 4 Position (0,1,3,F) Burst Trigger Group - Push Pin
H&K Heckler & Koch
$3,299.95HK 4 Position Burst Trigger Group - G3, 91, PTR - German HK HK G3 & HK 91 4 Position (0,1,3,F) Burst Trigger Group Complete Factory German.Rare & Hard To Find.Setup in 7.63/.308 For Factory Swing down G3/91 Conversions Or Factory Full Auto...HKP-00208$3,299.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...HKP-18933$129.95 -
H&K A3 Retractable Stock Clamping Lever Spring
H&K Heckler & Koch
$19.95HK German Retractable Stock Clamping Lever Spring For A3 Retractable Stocks This spring is the most common breakage/wear item in the internal workings of the A3 retractable stock.HKP-01089$19.95 -
HKP Front Sight Tower Ambi Sling Attachment Weldment
HKP HK Parts
$14.95HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...HKP-17881$14.95 -
Left Side Ambidextrous Selector Lever FBI - 0,1
H&K Heckler & Koch
$124.99Left Side Ambidextrous Selector Lever FBI - 0,1 Compatible with all ambi style housings and ambidextrous 0,1, trigger packs and housings.HKP-00121$124.99 -
PTR 32 (7.62x39) Complete Bolt Head - US Made
$199.95PTR 32 (7.62x39) Complete Bolt Head - US Made This item is a complete bolt head using a combination of new HK German and new US-made Parts. Bolt Head counts as one US-made compliance part for the 922r compliance. Compatible With: All HK PTR-32 7.62 X...HKP-02280$199.95 -
SureFire WARCOMP PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24
Surefire
$165.00SureFire WARCOMP PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 This flash hider is perfect for the post 2016 production PTR models as well as C308 models. Specifications: Threaded 5/8x24 Compatible With: HK G3/91/PTR HK 417/MR762 HK...HKP-18024$165.00 -
Out Of Stock
B&T (7.62x51/.308) Flash Hider - Suppressor Compatible - Threaded 5/8x24 RH
B&T Brugger & Thomet
$144.99B&T (7.62x51/.308) Flash Hider - Suppressor Compatible - Threaded 5/8x24 RH This hider is compatible with many suppressors. A perfect addition to any firearm. Specifications: Made In Switzerland Threaded 5/8x24 UNEF Does Not Include Face...HKP-21395$144.99 -
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 -
Choate HK 91/G3 (7.62x51/.308) Adjustable Tactical Folding Stock
Choate
$139.95HK G3, 91 & PTR Tactical Folding Stock Each stock is adjustable from 14 1/4" to 15 1/4" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. Comes with all the...HKP-00884$139.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Jungle Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed- Jungle Green - Surplus Used jungle green German surplus stock complete with Enhanced Heavy Buffer Installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...HKP-18935$129.95 -
H&K HK MR556, HK 416 A5 Ambi Selector Lever Set Complete - Black
H&K Heckler & Koch
$179.95HK 416-A5 SEMI & MR556 Ambidextrous 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...HKP-19375$179.95 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Surplus
H&K Heckler & Koch
$14.95Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-18315$14.95 -
H&K German Ambidextrous Sling Pin Replacement O-Ring
H&K Heckler & Koch
$5.95H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common wear/breakage part that does need to be replaced from time...HKP-19985$5.95 -
Swiss Military Single Point Sling - OD Green - Used
$34.95Swiss Military Single Point Sling in OD Green - USEDHKP-19794$34.95 -
Out Of Stock
B&T HK 91/G3 (7.62x51/.308) Handguard - Tri Rail
B&T Brugger & Thomet
$469.95B&T handguard Tri- Rail System For HK G3, 91 & PTR With 2 X Detachable Side Rails The fast growing selection of accessories in the field of tactical accessories has brought up the demand for weapon specific attachment interfaces. With the...HKP-16865$469.95 -
Blitzkrieg PTR Flat Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...HKP-21104$87.95 -
Full AutoTrigger Pack Elbow Spring W/ Roller
H&K Heckler & Koch
$44.95Full AutoTrigger Pack Elbow Spring W/ Roller This item is a factory HK German replacement part.HKP-02438$44.95 -
G3 A2 Adjustable Stock Extension
USA
$69.95HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...HKP-00872$69.95 -
H&K 91/G3 A3 Retractable Stock - Used Good
H&K Heckler & Koch
$799.95HK G3 & HK 91 (7.62x51/.308) A3 Retractable Stock German - Used Surplus - Excellent Condition Used HK German A3 retractable stocks pulled from German G3 rifles. All come in working order with various degrees of use but 100% operational. These range...HKP-18067$799.95 -
On Sale
HKP 2 Point Leather Sling - Red
HKP HK Parts
Now: $34.95Was: $49.95HKP 2 Point Leather Sling - Red These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware...HKP-20159Now: $34.95Was: $49.95 -
MKE V51 VFI Retractable Stock
MKE
$549.95MKE V51 A3 Retractable Stock: Factory new MKE stock professionally converted to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile collapsing rod insert heat treated for longevity. The correct collapsing length on...HKP-21469$549.95 -
PTR HK 91/G3 (7.62x51/.308) Trigger Group - 5 U.S. 922 Parts
PTR
$369.95HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...HKP-02643$369.95 -
Aero Precision (7.62/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH
Aero Precision
$104.95Aero Precision (7.62x51/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH The VG6 GAMMA is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement. The unique combination of both braking and compensating features...HKP-19675$104.95 -
Blitzkrieg PTR Spike Front Sight Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg PTR Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a modernized sighting system with enhanced precision and ease of use. Featuring a distinctive spike-tipped post and a bright Tritium dot with an orange...HKP-21105$84.95 -
Brass Catcher For HK .308/762, 223/556 Rifles
$79.95Rigid Brass Catcher For HK91, G3, And PTR-91 Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and are made from strong, lightweight, black textured plastic. Each holds a minimum of 60...HKP-00846$79.95 -
H&K 91/G3 (7.62x51/.308) Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus
H&K Heckler & Koch
$269.95German 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-16269$269.95 -
H&K 91/G3 (7.62x51/.308) Enhanced Trigger Group - Match
H&K Heckler & Koch
$649.95HK German 91, PTR, C308 Match Trigger Group - Enhanced New! HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. With the trigger pack not only being converted to semi-auto but the trigger pack has been...HKP-18358$649.95 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Excellent Condition
H&K Heckler & Koch
$0.00Used Authentic German Military Surplus G3 Black Slim Line Forearm With Heat Shield Used in excellent shape. For the money, these are a nice addition to the collection. Each item will fit all full forearm length HK 91, G3, PTR style firearms. Used...HKP-18317$0.00 -
H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch 2 new/like new HK German 20 round aluminum magazine with green rubberized mag pouch bundle deal: 2 20 round aluminum magazines with new green rubberized mag pouch...HKP-15793$49.95 -
HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - For Left Hand Shooters
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized...HKP-20527$69.95 -
Picatinny to Harris Bipod Adapter
HKP HK Parts
$34.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and steel.HKP-00909$34.95 -
XS Front & Rear Night Sight System - HK
XS Sight Systems
$139.95XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.HKP-00883$139.95 -
Out Of Stock
Beta C-Mag HK 91/G3/MSG90 (7.62x51/.308) 100 Round Drum Magazine
Beta C-Mag
$0.00Beta C-Mag (7.62x51/.308) 100 Round Drum Magazine Includes C-MAG magazine in 7.62MM,308 G3/HK91 with clear covers, personal loader, black magazine pouch with carry strap, technical/owner's manual, and graphite dry lubricant. Compatible...HKP-02293$0.00 -
Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...HKP-21103$84.95 -
H&K 91/G3 (7.62x51/.308) Magazine Unloader
H&K Heckler & Koch
$49.95HK Factory German Unloader For HK 91, G3, And PTR Magazines Brand new HK German manufactured magazine loader for the alloy or steel mags. Made from all steel construction. Compatible With: HK 91 magazines HK G3 magazines PTR, CETME HK PSG-1 magazines HK...HKP-01508$49.95 -
H&K Bolt Locking Lever Pin/Cylindrical Pin
H&K Heckler & Koch
$4.95H&K Bolt Locking Lever Pin/Cylindrical Pin New HK91, G3, PTR-91 .308 & HK 93, 33, 53 Bolt Carrier Bolt Locking Lever pin (cylindrical pin). This item holds the locking lever & spring in place on the actual bolt head.HKP-16913$4.95 -
H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...HKP-00513$179.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group
HKP HK Parts
$339.95US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r compliance. Everything you need as a spare or a direct...HKP-01473$339.95 -
HKP Picatinny Rail Mount for Front Sight Tower - Red
$39.95HKP Picatinny Rail Mount for Front Sight Tower - Red HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-20800$39.95