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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  • HKP Flat Bending Billeted Jig Set For All HK Style Flats HKP Flat Bending Billeted Jig Set For All HK Style Flats

    HKP Flat Bending Billeted Jig Set For All HK Style Flats

    HKP HK Parts

    $449.95
    HKP Flat Bending Billeted Jig Set For All HK Style Flats NEW LATEST 4th GENERATION  VERSION AND DESIGN. THE FINEST JIG SET AVAILABLE!  Billeted universal flat bending jig for all HK receiver flats including our new PTR .308 flats and the...
    HKP-19583
    $449.95
    Qty in Cart: 0
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    $449.95
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  • UTG PRO Picatinny Scope Rail For HK Claw Mount UTG PRO Picatinny Scope Rail For HK Claw Mount

    UTG PRO Picatinny Scope Rail For HK Claw Mount

    UTG PRO

    $14.95
    HK Claw Mount To Picatinny Style Rail This part allows all STANAG style scopes to accept the universal Picatinny style rail. Each rail adapter comes with rail and mounting hardware. This part adds 6 1/8 inches of rail space to the top of your claw mount...
    HKP-02042
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K HK G3, HK 91 Grip for Metal Frames - Black - Surplus H&K HK G3, HK 91 Grip for Metal Frames - Black - Surplus

    H&K HK G3, HK 91 Grip for Metal Frames - Black - Surplus

    H&K Heckler & Koch

    $7.95
    H&K HK G3, HK 91 Grip for Metal Frames - Black - Surplus   Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price.   Compatible With: HK...
    HKP-16207
    $7.95
    Qty in Cart: 0
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    $7.95
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  • PTR HK Mil-Spec AR Stock Adapter & Buffer Tube PTR HK Mil-Spec AR Stock Adapter & Buffer Tube

    PTR HK Mil-Spec AR Stock Adapter & Buffer Tube

    PTR

    $124.95
    PTR HK Mil-Spec AR Stock Adapter & Buffer Tube AR15 to HK 90 series stock adapter for AR15 stocks that includes the mil-spec buffer tube and castle nut to use any mil-spec AR15/M16 stock of your choice on your HK rifle or SBR build. With the adapter...
    HKP-16583
    $124.95
    Qty in Cart: 0
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    $124.95
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  • HKP HK 91/G3 (7.62x51/.308) Weldment Set Complete

    HKP HK 91/G3 (7.62x51/.308) Weldment Set Complete

    HKP HK Parts

    $79.95
    HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...
    HKP-17509
    $79.95
    Qty in Cart: 0
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  • Thermold HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Thermold HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine

    Thermold HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine

    $19.95
    20 Round Polymer 308 Magazine For HK G3/91/PTR - US This US-made magazine is made of space-age polymer. Also, it counts as 3 US-made compliance parts. Each magazine features a fail-safe follower non-corrosive (polymer magazine body)...
    HKP-02612
    $19.95
    Qty in Cart: 0
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  • H&K HK G3, HK 91, PTR Locking Lever H&K HK G3, HK 91, PTR Locking Lever

    H&K HK G3, HK 91, PTR Locking Lever

    H&K Heckler & Koch

    $9.95
    Locking Lever - HK German G3 - New Old stock No longer made or offered by HK. This is the factory HK German manufactured bolt carrier locking lever. New never installed. These are the LAST new units that HK made. There will be no more once we are sold...
    HKP-19485
    $9.95
    Qty in Cart: 0
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    $9.95
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  • AntiVenom-XPLC Lubricant and Cleaner AntiVenom-XPLC Lubricant and Cleaner

    AntiVenom-XPLC Lubricant and Cleaner

    Strike Industries

    $14.95
    AntiVenom-XPLC Lubricant and Cleaner Strike Industries introduces the industry's most extreme general purpose weapons lubrication, cleaning, and protection solution. Strike Industries AntiVenom-XPLC is the culmination of years of research and...
    HKP-18410
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K Grip Screw & Washer H&K Grip Screw & Washer

    H&K Grip Screw & Washer

    H&K Heckler & Koch

    $1.49
    H&K Grip Screw & Washer This is a surplus factory HK German part that is now out of production. Great to have as a spare and the cheapest price on the planet. Compatible With: G3 HK91 HK93 HK94 SP89 Other HK metal framed lowers with plastic...
    HKP-16335
    $1.49
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    $1.49
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  • H&K 91/G3 (7.62x51/.308) Firing Pin Spring

    H&K 91/G3 (7.62x51/.308) Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    HK German HK G3, HK91, & PTR Firing Pin Spring This is a common repair and replacement item and is great for spares as this is a common breakage part.
    HKP-00498
    $9.95
    Qty in Cart: 0
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    $9.95
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  • H&K MP5, G3, PTR, HK93 Push Button For Magazine Catch H&K MP5, G3, PTR, HK93 Push Button For Magazine Catch

    H&K MP5, G3, PTR, HK93 Push Button For Magazine Catch

    H&K Heckler & Koch

    $8.95
    Push Button For Magazine Catch Compatible With: G3 91 MP5 MP5K SP5K-PDW (For SP5K's not equipped with the paddle release, purchase this kit) 94 93 33 PTR, Clones, ETC.
    HKP-01833
    $8.95
    Qty in Cart: 0
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    $8.95
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  • H&K Receiver & Magazine Cleaning Brush For All HK's

    H&K Receiver & Magazine Cleaning Brush For All HK's

    H&K Heckler & Koch

    $24.95
    HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag wells. Works with HK and non-HK applications alike.
    HKP-00141
    $24.95
    Qty in Cart: 0
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  • HKP Picatinny Rail For HK Receivers - 15 Slot HKP Picatinny Rail For HK Receivers - 15 Slot

    HKP Picatinny Rail For HK Receivers - 15 Slot

    HKP HK Parts

    $59.95
    HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...
    HKP-18241
    $59.95
    Qty in Cart: 0
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    $59.95
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  • HKP Roller +5 - New - 8.05mm HKP Roller +5 - New - 8.05mm

    HKP Roller +5 - New - 8.05mm

    HKP HK Parts

    $8.99
    Roller +5 - New - 8.05mm HK Parts Standard (8.05 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19440
    $8.99
    Qty in Cart: 0
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    $8.99
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  • HKP Picatinny Rail For HK Receivers - 13 Slot HKP Picatinny Rail For HK Receivers - 13 Slot

    HKP Picatinny Rail For HK Receivers - 13 Slot

    HKP HK Parts

    $52.95
    HKP Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...
    HKP-18238
    $52.95
    Qty in Cart: 0
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  • HKP Front Sight Blade

    HKP Front Sight Blade

    HKP HK Parts

    $3.95
    HKP Front Sight Blade New US manufactured HK front sight blade. New US made. Compatible With: All HK front sight towers/triple frames.
    HKP-17551
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HKP SEF Style Franklin Armory Binary Aluminum Selectors HKP SEF Style Franklin Armory Binary Aluminum Selectors

    HKP SEF Style Franklin Armory Binary Aluminum Selectors

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum  This new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs.   This is the best selector set for the...
    HKP-20103
    $69.95
    Qty in Cart: 0
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    $69.95
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  • H&K 91/93/33/G3 Black Plastic Grips For Metal Grip Frames

    H&K 91/93/33/G3 Black Plastic Grips For Metal Grip Frames

    H&K Heckler & Koch

    $24.95
    Black Plastic Grips For Metal Grip Frames New Factory HK German. It is no longer in production and is hard to find. Compatible With: HKG3 HK91 HK93 HK33
    HKP-00526
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K Trigger Pack Sear/Catch - Surplus

    H&K Trigger Pack Sear/Catch - Surplus

    H&K Heckler & Koch

    $12.95
    Sear/Catch Complete For HK 90 Series Trigger Packs - German HK - Used German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC shape and in perfect working order and complete. This item is an absolute bargain at...
    HKP-18304
    $12.95
    Qty in Cart: 0
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    $12.95
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  • MKE HK G3 Retractable Buttstock MKE HK G3 Retractable Buttstock

    MKE HK G3 Retractable Buttstock

    MKE

    $359.99
    MKE HK G3 Retractable Buttstock The Century Arms MKE Retractable G3 Buttstock is an easy-to-install replacement stock system for HK G3-style firearms. The simple lock/release system is easy to operate, allowing shooters to adjust the stock length...
    HKP-21182
    $359.99
    Qty in Cart: 0
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    $359.99
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  • Safariland Silicone Gun & Reel Cloth Safariland Silicone Gun & Reel Cloth

    Safariland Silicone Gun & Reel Cloth

    Safariland

    $3.95
    Safariland Silicone Gun & Reel Cloth Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.
    HKP-17630
    $3.95
    Qty in Cart: 0
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    $3.95
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  • H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power

    H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power

    H&K Heckler & Koch

    $14.95
    H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power New HK German extra power hammer spring for all .308/.223 Semi & Full Auto Trigger Packs. This is a must have spare replacement part for your HK firearm parts bin. The heavy hammer...
    HKP-16447
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT

    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT

    H&K Heckler & Koch

    $99.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...
    HKP-01824
    $99.95
    Qty in Cart: 0
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    $99.95
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  • HKP Roller +7 - New - 8.07mm HKP Roller +7 - New - 8.07mm

    HKP Roller +7 - New - 8.07mm

    HKP HK Parts

    $8.99
    Roller +7 - New - 8.07mm HK Parts Standard (8.07 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19442
    $8.99
    Qty in Cart: 0
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    $8.99
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  • HKP HK 91/G3 (7.62x51/.308) Handguard - M-LOK HKP HK 91/G3 (7.62x51/.308) Handguard - M-LOK

    HKP HK 91/G3 (7.62x51/.308) Handguard - M-LOK

    HKP HK Parts

    $159.95 - $169.95
    HK G3, HK91 & PTR Low Profile M-LOK Forearm The M-LOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting...
    HKP-17265-M
    $159.95 - $169.95
    Qty in Cart: 0
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    $159.95 - $169.95
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  • H&K 91/G3 (7.62x51/.308) Firing Pin

    H&K 91/G3 (7.62x51/.308) Firing Pin

    H&K Heckler & Koch

    $19.95
    HK G3, HK91, PTR 762/.308 Firing Pin HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible With: HK G3 HK91 HK PTR CETME & C308
    HKP-00497
    $19.95
    Qty in Cart: 0
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    $19.95
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  • HK Contract 3 Point Sling - Black HK Contract 3 Point Sling - Black

    HK Contract 3 Point Sling - Black

    H&K Heckler & Koch

    $52.95
    HK Contract 3 Point Sling - Black German military surplus 3 point HK sling in like new condition. These slings are completely operational and a great value for the money. This is the best valued HK 3 point sling available on the market.
    HKP-19186
    $52.95
    Qty in Cart: 0
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    $52.95
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  • 90 Series Barrel Pin Jig 90 Series Barrel Pin Jig

    90 Series Barrel Pin Jig

    HKP HK Parts

    $119.95
    90 Series Barrel Pin Jig This is the perfect jig for the installation and removal of barrel pins found in all HK 90 series rifles and pistols. This jig set is a companion set for those who have flat-bending jigs and other...
    HKP-08928
    $119.95
    Qty in Cart: 0
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    $119.95
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  • HKP HK 91/G3 (7.62x51/.308) Stock Set - O.D. Green - Surplus HKP HK 91/G3 (7.62x51/.308) Stock Set - O.D. Green - Surplus

    HKP HK 91/G3 (7.62x51/.308) Stock Set - O.D. Green - Surplus

    HKP HK Parts

    $24.95
    Original German Army Used Surplus G3, 91, PTR OD Green Stock Set  Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC. A great stock...
    HKP-16332
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - Surplus H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - Surplus

    H&K 91/G3 (7.62x51/.308) Rear Sight Assembly - Surplus

    H&K Heckler & Koch

    $14.95
    HK German G3, 91, PTR Rear Sight Assembly Good - Very Good HK German factory sight. We offer the finest used German HK sights at the BEST price in the country. Each German HK used sight was hand selected & picked from to be the finest examples of all...
    HKP-18092
    $14.95
    Qty in Cart: 0
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    $14.95
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  • Out Of Stock
    HKP Semi Auto Shelf for Receiver - Billeted HKP Semi Auto Shelf for Receiver - Billeted

    HKP Semi Auto Shelf for Receiver - Billeted

    HKP HK Parts

    $17.95
    HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...
    HKP-21470
    $17.95
    Qty in Cart: 0
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    $17.95
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  • H&K HK SEF & Navy 3 Position Trigger Spring - Surplus

    H&K HK SEF & Navy 3 Position Trigger Spring - Surplus

    H&K Heckler & Koch

    $4.95
    HK 90 Series SEF & Navy Style Trigger Return Spring - Surplus For HK 90 series 91, 94, 93, etc. (semi or full-auto). This item will fit any NON-burst trigger pack. Compatible With: MP5, MP5K, SP89, & SP5K HK G3, HK91, PTR HK 93, 33, HK33K, &...
    HKP-01092
    $4.95
    Qty in Cart: 0
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    $4.95
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  • HKP HK 91/G3/PTR Armorer's Manual HKP HK 91/G3/PTR Armorer's Manual

    HKP HK 91/G3/PTR Armorer's Manual

    HKP HK Parts

    $19.95
    HK 91, G3, & PTR Armorer's Manual This manual is the best manual available for the HK .308 G3, 91, or PTR family of firearms. See the photos for the table of contents.
    HKP-02635
    $19.95
    Qty in Cart: 0
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  • H&K Magazine Pouch with 2 Magazines - USED H&K Magazine Pouch with 2 Magazines - USED

    H&K Magazine Pouch with 2 Magazines - USED

    H&K Heckler & Koch

    $29.95
    H&K Magazine Pouch with 2 Magazines - USED 2 X Used HK German 20 round aluminum magazine and used Flectarn mag pouch combo deal: 2 X 20 round aluminum magazines and camo mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51...
    HKP-20875
    $29.95
    Qty in Cart: 0
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    $29.95
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  • Shooting Sight HK MP5, HK 91/93/94, HK G3 & Clones Heckfire 2-Stage Trigger Shooting Sight HK MP5, HK 91/93/94, HK G3 & Clones Heckfire 2-Stage Trigger

    Shooting Sight HK MP5, HK 91/93/94, HK G3 & Clones Heckfire 2-Stage Trigger

    $399.95
    Heckfire trigger for MP-5, HK 91/93/94, G3, Clones 2-stage trigger with around 5lb total pull.  Drop-in to all lowers. The updated selector levers work for all lowers (you no longer need to tell us if it is an SEF or an AMBI lower) and they cover...
    HKP-20173
    $399.95
    Qty in Cart: 0
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    $399.95
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  • Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green

    Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green

    Blitzkrieg Components

    $56.99
    Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The luminescent green chevron stripe...
    HKP-20452
    $56.99
    Qty in Cart: 0
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    $56.99
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  • H&K 91/G3 (7.62x51/.308) Cocking Handle Support H&K 91/G3 (7.62x51/.308) Cocking Handle Support

    H&K 91/G3 (7.62x51/.308) Cocking Handle Support

    H&K Heckler & Koch

    $24.95
    New HK German 91, G3, & PTR Cocking Handle Support A genuine German Heckler & Koch all-steel part. Compatible With: HK 91 HK G3 PTR-91 PTR-32 HK .308 Custom builds & clones
    HKP-01442
    $24.95
    Qty in Cart: 0
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    $24.95
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  • HKP Trigger - 90 Series - Billeted - USA HKP Trigger - 90 Series - Billeted - USA

    HKP Trigger - 90 Series - Billeted - USA

    HKP HK Parts

    $45.95
    HKP Trigger - 90 Series - Billeted - USA   HKP US 90 Series trigger made from the best quality billet steel. It will fit all 0,1, and SEF-style trigger packs. Each part counts as one US-made compliant part needed for builds and conversions for US...
    HKP-00380
    $45.95
    Qty in Cart: 0
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    $45.95
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  • HKP Cocking Handle Spring HKP Cocking Handle Spring

    HKP Cocking Handle Spring

    HKP HK Parts

    $3.95
    HKP Cocking Handle Spring The cocking handle spring is a medium wear component and should be replaced intermittently.  Grab a spare to keep with your maintenance gear in case of failure in the field too.  Compatible With: HK G3, 91, PTR91 HK...
    HKP-02465
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HK Contract 3 Point Sling - OD Green HK Contract 3 Point Sling - OD Green

    HK Contract 3 Point Sling - OD Green

    H&K Heckler & Koch

    $52.95
    HK Contract 3 Point Sling - OD Green HK contract 3 point sling NIW.  This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.
    HKP-19184
    $52.95
    Qty in Cart: 0
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    $52.95
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