HK G3/91 Series

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 HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used

    H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used

    H&K Heckler & Koch

    $5.99
    H&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
    Qty in Cart: 0
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    $5.99
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  • Blitzkrieg PTR Chevron Front Sight Gen 2 - Orange Blitzkrieg PTR Chevron Front Sight Gen 2 - Orange

    Blitzkrieg PTR Chevron Front Sight Gen 2 - Orange

    Blitzkrieg Components

    $56.99
    Blitzkrieg PTR Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a bold, fast sight picture with a bright orange chevron for quick target acquisition. The sight face is moved forward for enhanced...
    HKP-20453
    $56.99
    Qty in Cart: 0
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    $56.99
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  • H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel

    H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel

    H&K Heckler & Koch

    $89.95
    10 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK 91 HK G3 HK...
    HKP-01607
    $89.95
    Qty in Cart: 0
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    $89.95
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  • H&K German Leather Sling - Used-Very Good H&K German Leather Sling - Used-Very Good

    H&K German Leather Sling - Used-Very Good

    H&K Heckler & Koch

    $59.95
    Original  Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...
    HKP-20345
    $59.95
    Qty in Cart: 0
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  • Timney Triggers HK91 .308 2-Stage Trigger Timney Triggers HK91 .308 2-Stage Trigger

    Timney Triggers HK91 .308 2-Stage Trigger

    Timney Triggers

    $439.95
    Timney Trigger for - HK91, PTR 91 The Timney HK91 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy.This offering comes complete with a Factory...
    HKP-20508
    $439.95
    Qty in Cart: 0
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  • H&K Ambidextrous Sling Pin Locking Knob

    H&K Ambidextrous Sling Pin Locking Knob

    H&K Heckler & Koch

    $11.95
    New HK German Ambidextrous Sling Pin Locking Knob These are common replacement items, they can become loose as the O-ring wears and falls off. Be sure to order extra O-rings to avoid losing the locking nut. This is a common replacement part for those...
    HKP-01042
    $11.95
    Qty in Cart: 0
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  • H&K Full Auto Paddle Magazine Release Bushing HK German - Used

    H&K Full Auto Paddle Magazine Release Bushing HK German - Used

    H&K Heckler & Koch

    $4.95
    H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is not for use on semi-auto HK builds. This part is used for...
    HKP-02303
    $4.95
    Qty in Cart: 0
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    $4.95
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  • RCM HK G3, HK 91, PTR Trunnion RCM HK G3, HK 91, PTR Trunnion

    RCM HK G3, HK 91, PTR Trunnion

    RCM

    $64.95
    RCM Trunnion For The HK91/G3 Series - US Made This part is machined from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA-made trunnion on the market. Machined to spec and are to the custom ground...
    HKP-01289
    $64.95
    Qty in Cart: 0
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  • RCM HK G3K Locking Piece #18 - 50 Degree RCM HK G3K Locking Piece #18 - 50 Degree

    RCM HK G3K Locking Piece #18 - 50 Degree

    RCM

    $49.95
    RCM HK G3K Locking Piece #18 - 50 Degree The #18 LP is the factory-correct locking piece for G3K style builds or other custom builds. The locking piece is the timing mechanism that a delayed roller lock firearm uses to tell the firearm when to unlock and...
    HKP-02522
    $49.95
    Qty in Cart: 0
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  • HKP Single Point Leather & Cotton Sling HKP Single Point Leather & Cotton Sling

    HKP Single Point Leather & Cotton Sling

    HKP HK Parts

    $59.95
    Single Point Leather & Cotton Sling  Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a...
    HKP-21321-M
    $59.95
    Qty in Cart: 0
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  • Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set

    Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set

    Meprolight

    $109.00
    Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set  Meprolight produces a bright green night sight available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for a quicker, more accurate point-and-shoot...
    HKP-02564
    $109.00
    Qty in Cart: 0
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    $109.00
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  • Ambi Housing- Franklin Armory Binary Selector Set - Skeletonized - HKP Ambi Housing- Franklin Armory Binary Selector Set - Skeletonized - HKP

    Ambi Housing- Franklin Armory Binary Selector Set - Skeletonized - HKP

    HKP HK Parts

    $79.95
    HKP/H&K MP5/K 9mm Selector Lever Set For Franklin Armory BFSIII HK Binary Trigger Pack - Aluminum Skeletonized Our new skeletonized aluminum selector lever set was modeled after the HK ambi style selector lever and modified for a more cleaner...
    HKP-20470-M
    $79.95
    Qty in Cart: 0
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  • H&K Cocking Tube End Cap Spring

    H&K Cocking Tube End Cap Spring

    H&K Heckler & Koch

    $4.95
    H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...
    HKP-17980
    $4.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K Standard 4 Position Burst Left Side Selector Lever

    H&K Standard 4 Position Burst Left Side Selector Lever

    H&K Heckler & Koch

    $399.95
    H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can. 
    HKP-00123
    $399.95
    Qty in Cart: 0
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  • Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round

    Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round

    Raddlock

    $9.95
    HK 91, G3, & PTR 10 round Magazine Plug This plug is designed to limit the 20-round steel or Aluminum mag capacity to 10 rounds. Converts the standard mag to a 10/20 magazine. The best-recommended use is a 5/32" X 1/2"-3/4"...
    HKP-02443
    $9.95
    Qty in Cart: 0
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  • Tac Latch - PTR Spec Tac Latch - PTR Spec

    Tac Latch - PTR Spec

    $69.95
    Tac Latch (latest Generation) PTR Spec - PTR .308 Firearms The new updated style of Tac latch is made specifically for the PTR 91 .308 receiver and will require very little modification to the firearm for installation. A major overhaul of the existing...
    HKP-17611
    $69.95
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  • H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs

    H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs

    H&K Heckler & Koch

    $12.95
    HK 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
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    $12.95
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  • On Sale
    HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile

    HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile

    HKP HK Parts

    Now: $22.95
    Was: $39.95
    Low Profile, No Contact - Ambidextrous Selector Lever - Right Side This is the right side selector of the ambidextrous trigger packs that is low profile and does not interfere with the hand when the selector lever is in the fire, burst and F/A...
    HKP-17898
    Now: $22.95
    Was: $39.95
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    Now: $22.95
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  • HKP Single Point Quick Detach Sling - OD Green HKP Single Point Quick Detach Sling - OD Green

    HKP Single Point Quick Detach Sling - OD Green

    NcSTAR

    $29.95
    HK Single Point Sling in Green - Quick Detach Specifications: Composition: Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee construction. Style: Bungee-type design for complete comfort and stability Sling loop is adjustable for length...
    HKP-19708
    $29.95
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    $29.95
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  • MI HK G3/91/PTR M-LOK Forearm - Black MI HK G3/91/PTR M-LOK Forearm - Black

    MI HK G3/91/PTR M-LOK Forearm - Black

    MI Midwest Industries

    $189.95
    MI HK G3/91/PTR M-LOK Forearm - Black Fits the HK G3, 91 lengths for firearms to include the full-length PTR models that use a G3/91 full-length forearm. May fit some CETME models such as the C308 with fitting required. Made in the USA, 922r...
    HKP-18439
    $189.95
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    $189.95
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  • XS Sight Systems Trituim Front Night Sight 90 Series Standard Dot XS Sight Systems Trituim Front Night Sight 90 Series Standard Dot

    XS Sight Systems Trituim Front Night Sight 90 Series Standard Dot

    XS Sight Systems

    $92.95
    XS Sights Tritium Night Sight  - Standard Dot Standard Dot front sights use a patent-pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium. Green is a great option for low light and has a very...
    HKP-19602
    $92.95
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    $92.95
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  • MM Fixed Stock Heavy Rubber Buttpad MM Fixed Stock Heavy Rubber Buttpad

    MM Fixed Stock Heavy Rubber Buttpad

    Michaels Machines

    $79.95
    MM Fixed Stock Heavy Rubber Butt pad   This part gives a larger surface area to spread the recoil absorption with a wider surface (less felt recoil). It adds an aggressive look and feel to your HK and is US-made with a lifetime warranty by the...
    HKP-00914
    $79.95
    Qty in Cart: 0
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    $79.95
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  • HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown

    HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown

    HKP HK Parts

    $49.95
    2 Point Leather Sling - Dark Brown 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 and made in the USA. Made from quality USA...
    HKP-20271
    $49.95
    Qty in Cart: 0
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    $49.95
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  • H&K 90 Series Hammer - MP5/G3/93/53/33 -  German - Used H&K 90 Series Hammer - MP5/G3/93/53/33 -  German - Used

    H&K 90 Series Hammer - MP5/G3/93/53/33 - German - Used

    H&K Heckler & Koch

    $29.95
    Hammer, 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
    Qty in Cart: 0
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  • H&K Burst Trigger Pack Armorers Tool

    H&K Burst Trigger Pack Armorers Tool

    H&K Heckler & Koch

    $99.95
    Heckler & Koch Factory Burst Trigger Pack Armorer's Tool A must-have tool to maintain, disassemble, and reassemble burst trigger packs for cleaning and repair. This tool will save you a ton of time and will pay for itself on the first use. Compatible...
    HKP-00898
    $99.95
    Qty in Cart: 0
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    $99.95
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  • H&K Trigger Spring For Burst Trigger Packs

    H&K Trigger Spring For Burst Trigger Packs

    H&K Heckler & Koch

    $8.95
    Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs. 
    HKP-01450
    $8.95
    Qty in Cart: 0
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    $8.95
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  • HKP Tactical Rail - 3 Inch - HK91/93 HKP Tactical Rail - 3 Inch - HK91/93

    HKP Tactical Rail - 3 Inch - HK91/93

    HKP HK Parts

    $14.95
    HKP Tactical Rail - 3 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-00894
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K 91/G3 (7.62x51/.308) Magazine Clamp

    H&K 91/G3 (7.62x51/.308) Magazine Clamp

    H&K Heckler & Koch

    $149.95
    New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...
    HKP-00219
    $149.95
    Qty in Cart: 0
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  • HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer

    HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer

    Michaels Machines

    $429.95
    US G3, 91, PTR-91 Or Clone Club Foot Stock U.S clubfoot stock comes fully assembled and ready to drop onto your  HK G3, 91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced heavy buffer has been...
    HKP-20068
    $429.95
    Qty in Cart: 0
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    $429.95
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  • Out Of Stock
    HKP 2 Point Leather Sling - OD Green HKP 2 Point Leather Sling - OD Green

    HKP 2 Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    HKP 2 Point Leather Sling - OD Green 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...
    HKP-20164
    $49.95
    Qty in Cart: 0
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    $49.95
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  • HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced

    HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced

    HKP HK Parts

    $29.95
    Butt Pad For Wooden Stocks - Enhanced Rubberized Buttpad The enhanced rubberized butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This buttpad provides a softer rubberized surface for...
    HKP-17667
    $29.95
    Qty in Cart: 0
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    $29.95
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  • H&K 91/G3 (7.62x51/.308) Complete F/A Bolt Group - Used

    H&K 91/G3 (7.62x51/.308) Complete F/A Bolt Group - Used

    H&K Heckler & Koch

    $349.95
    HK Factory German G3, 91, PTR F/A Bolt Group - Complete Used Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91, C91, Clones, Etc.  Bolt...
    HKP-00356
    $349.95
    Qty in Cart: 0
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    $349.95
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  • H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - OD Green - Hand Picked

    H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - OD Green - Hand Picked

    H&K Heckler & Koch

    $84.95
    Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete  Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best sets we have in stock. Includes:  Slimline...
    HKP-18237
    $84.95
    Qty in Cart: 0
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    $84.95
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  • Magpul MS3 Sling - Gen 2 - Black

    Magpul MS3 Sling - Gen 2 - Black

    Magpul

    $49.95
    Magpul MS3 Sling - Gen 2 - Black Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.
    HKP-13727
    $49.95
    Qty in Cart: 0
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    $49.95
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  • On Sale
    BFSIII HK91, G3, PTR91 HK-C1 Franklin Binary SEF Navy Style Trigger Group BFSIII HK91, G3, PTR91 HK-C1 Franklin Binary SEF Navy Style Trigger Group

    BFSIII HK91, G3, PTR91 HK-C1 Franklin Binary SEF Navy Style Trigger Group

    FA Franklin Armory

    Now: $679.95
    Was: $849.95
    Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK91, G3, PTR91 3 Position HK Binary Trigger Group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box,...
    HKP-19646-CP
    Now: $679.95
    Was: $849.95
    Qty in Cart: 0
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    Now: $679.95
    Was: $849.95
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  • H&K 91/G3 (7.62x51/.308) Rear Sight Drum

    H&K 91/G3 (7.62x51/.308) Rear Sight Drum

    H&K Heckler & Koch

    $9.95
    HK German Rear Sight Drum .308/7.62 - New Compatible With: HK G3, 91, PTR91, PTR32 HK .308/7.62 models or clones Other HK 308 clones & variants
    HKP-01660
    $9.95
    Qty in Cart: 0
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    $9.95
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  • H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent

    H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent

    H&K Heckler & Koch

    $36.95
    H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent Handpicked best condition available. Comes with matching buttpad. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be...
    HKP-18497
    $36.95
    Qty in Cart: 0
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    $36.95
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  • PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly

    PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly

    PTR

    $274.95
    PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly 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 The popular Magpul commercial Moe...
    HKP-15614
    $274.95
    Qty in Cart: 0
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    $274.95
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  • Snap Hook 1" - Universal Snap Hook 1" - Universal

    Snap Hook 1" - Universal

    USA

    $4.95
    Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.
    HKP-00730
    $4.95
    Qty in Cart: 0
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    $4.95
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