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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  • Fixed Stock - OD Green - Surplus - HK 91, G3, PTR Fixed Stock - OD Green - Surplus - HK 91, G3, PTR

    Fixed Stock - OD Green - Surplus - HK 91, G3, PTR

    H&K Heckler & Koch

    $25.95
    Used Olive Drab 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 to use on your HK G3, 91, PTR or other HK style firearm. As...
    HKP-16329
    $25.95
    Qty in Cart: 0
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  • H&K 91/G3 (7.62x51 / .308) Ejector Lever - Used

    H&K 91/G3 (7.62x51 / .308) Ejector Lever - Used

    H&K Heckler & Koch

    $3.95
    .308 Ejector Lever - Used   It is in perfect working order, pulled from surplus HK German G3's.   Compatible With: HK G3 HK 91 PTR-91 HK 51
    HKP-01738
    $3.95
    Qty in Cart: 0
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    $3.95
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  • H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - Used H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - Used

    H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - Used

    H&K Heckler & Koch

    $7.95
      HK G3, HK91 & PTR91 German 20 Round Magazine - Alloy - Used German manufactured aluminum paratrooper magazines used in. Perfect for your HK G3/PTR style firearm. Each unit is German manufactured and a great deal for the condition of these mags...
    HKP-18068
    $7.95
    Qty in Cart: 0
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    $7.95
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  • H&K Small Push Pin - Forearm & Lower

    H&K Small Push Pin - Forearm & Lower

    H&K Heckler & Koch

    $7.95
    H&K Small Push Pin - Forearm & Lower All steel HK German small push pin for use on the lower grip housing. The small push pin is also the correct pin for holding the HK forearm in place. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94,...
    HKP-00075
    $7.95
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  • H&K Rifle Extractor Spring For All HK's H&K Rifle Extractor Spring For All HK's

    H&K Rifle Extractor Spring For All HK's

    H&K Heckler & Koch

    $6.74
    HK German 308, 7.62 & 556, .223 Rifle Extractor Spring New factory HK German part. The extractor spring is the #1 most common repair and replacement item on HK firearms. Many HK gunsmiths recommend using this extractor spring on all HK 90 Series HK's...
    HKP-00188
    $6.74
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  • H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Aluminum - Excellent/Like New H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Aluminum - Excellent/Like New

    H&K 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine - Aluminum - Excellent/Like New

    H&K Heckler & Koch

    $12.95
    HK G3, HK91, & PTR91 German 20 Round Magazine - Alloy German Manufactured Aluminum Paratrooper Magazines In Excellent - Like New Condition Perfect for your HK G3/PTR style firearm. Each unit is German manufactured, and a great deal for the condition...
    HKP-00524
    $12.95
    Qty in Cart: 0
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  • H&K Ejector Lever Spring H&K Ejector Lever Spring

    H&K Ejector Lever Spring

    H&K Heckler & Koch

    $6.95
    H&K Ejector Lever Spring The new HK German factory ejector lever spring fits all HK 90 series of rifles and pistols. This is a common repair and replacement part and it is a recommended spare part for every HK enthusiast or shooter. Compatible...
    HKP-00059
    $6.95
    Qty in Cart: 0
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    $6.95
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  • H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus

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

    H&K Heckler & Koch

    $9.95
    HK German Green Plastic Grips For The HKG3,HK91 & HK93, HK33 Metal Grip Frames. 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. Fits all HK...
    HKP-16333
    $9.95
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  • Out Of Stock
    Small Push Pin - Forearm & Lower Small Push Pin - Forearm & Lower

    Small Push Pin - Forearm & Lower

    USA

    $5.95
    HK Small push pin - US MAde All steel small push pin for use on the lower grip housing for a push pin style of lower housing. Black nitride finish which adds extra durability to the pin plus corrosion and abrasion resistance. The small push pin is also...
    HKP-20397
    $5.95
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  • H&K 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good H&K 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good

    H&K 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good

    H&K Heckler & Koch

    $14.95
    Used German Military Surplus Jungle Green Slim Line Forearm With Heat Shield. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. Conditions range from Good to Excellent shape. For the money these are a...
    HKP-16266
    $14.95
    Qty in Cart: 0
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  • HKP Rear Sight Tool For Diopter Sights HKP Rear Sight Tool For Diopter Sights

    HKP Rear Sight Tool For Diopter Sights

    HKP HK Parts

    $29.95
    HK Diopter Rear Sight Tool - Military ContractDiopter sight tool is perfect for those that need to adjust all sizes of HK diopter type sights for the entire family of HK rifles including clones. A military contract over-run and mil-spec quality at the...
    HKP-16511
    $29.95
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  • RennSteig 8 Piece Punch Set For HK Firearms RennSteig 8 Piece Punch Set For HK Firearms

    RennSteig 8 Piece Punch Set For HK Firearms

    RennSteig

    $34.95
    Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...
    HKP-16737
    $34.95
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  • H&K 90 Series Pinned hammer H&K 90 Series Pinned hammer

    H&K 90 Series Pinned hammer

    H&K Heckler & Koch

    $29.95
    Hammer, Full Auto HK 90 Series Trigger Packs - German HK - UsedGerman HK Hammer Used surplus in VG-EXC shape and in perfect working order. With the proper hole on the hammer to pin the strut in place. This hammer is the hammer that is most commonly used...
    HKP-18305
    $29.95
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  • HK German Butt Stock Push Pin HK German Butt Stock Push Pin

    HK German Butt Stock Push Pin

    H&K Heckler & Koch

    $8.95
    HK German Butt Stock Push Pin Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. These are great replacement or spare parts to keep on hand as they fit all of the 90-series firearms below. The large push...
    HKP-00076
    $8.95
    Qty in Cart: 0
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    $8.95
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  • H&K Barrel Retaining Pin - 5mm Standard Size H&K Barrel Retaining Pin - 5mm Standard Size

    H&K Barrel Retaining Pin - 5mm Standard Size

    H&K Heckler & Koch

    $9.95
    H&K Barrel Retaining Pin - 5mm Standard Size Each barrel pin is used for installing a new or replacement barrel. HK suggest using a new factory barrel pin when installing or reinstalling a HK barrel. We also offer the HK oversized barrel pins for...
    HKP-00071
    $9.95
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  • H&K 90 Series Butt Stock Push Pin

    H&K 90 Series Butt Stock Push Pin

    H&K Heckler & Koch

    $3.95
    Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. Large push pins are for the stock and the small push pin is for the forearm and lower. The HK German genuine push pins are take off's from demilled G3...
    HKP-18038
    $3.95
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    $3.95
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  • H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - New H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - New

    H&K 91/G3 (7.62x51 / .308) 20 Round Aluminum Magazine - New

    H&K Heckler & Koch

    $24.95
    New German 20 Round Aluminum Magazine - G3, 91, PTR Brand new old stock German manufactured paratrooper alloy magazine. This item is no longer in production and is getting harder to find in new condition. These mags are the real deal, perfect for your HK...
    HKP-00222
    $24.95
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  • HKP HK 91/G3 (7.62x51 / .308) Cocking Handle - Extended HKP HK 91/G3 (7.62x51 / .308) Cocking Handle - Extended

    HKP HK 91/G3 (7.62x51 / .308) Cocking Handle - Extended

    HKP HK Parts

    $44.95
    HK 91, G3, PTR & CETME, C 308 Cocking Handle - Extended Add the look, feel, and enhanced pulling advantage of the extended cocking handle to your HK91, G3, PTR & C308 firearm. This upgrade will provide more than 2X the surface area and charging...
    HKP-00199
    $44.95
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  • FMP Rifle Extractor Spring For All HK's - HK Contract FMP FMP Rifle Extractor Spring For All HK's - HK Contract FMP

    FMP Rifle Extractor Spring For All HK's - HK Contract FMP

    FMP

    $3.49
    HK Contract FMP (Portuguese) 308, 7.62, 556, .223 Rifle Extractor Spring This new factory HK contract part is the #1 most common repair and replacement item. This is also a great upgrade for those that want to upgrade the MP5/94 copper extractor spring...
    HKP-16248
    $3.49
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    $3.49
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  • H&K SEF Long Axle Selector Lever For Polymer Trigger Housings H&K SEF Long Axle Selector Lever For Polymer Trigger Housings

    H&K SEF Long Axle Selector Lever For Polymer Trigger Housings

    H&K Heckler & Koch

    $24.95
    HK SEF Longer Axle Selector Lever For The Polymer SEF Type Grips Or Trigger Housings - Used This is the factory-correct selector lever for SEF or SEF-style semi-auto-style trigger packs and grip frames. These are pulled from German HK SEF trigger...
    HKP-01105
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K German Roller Retainer Plate For Rollers H&K German Roller Retainer Plate For Rollers

    H&K German Roller Retainer Plate For Rollers

    H&K Heckler & Koch

    $2.74
    HK German Roller Retainer Plate For All Rollers - Used This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with the use and age of the service weapon.  Compatible With All Original 1st...
    HKP-02690
    $2.74
    Qty in Cart: 0
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    $2.74
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  • On Sale
    HKP Armorers Bench Block Tool HKP Armorers Bench Block Tool

    HKP Armorers Bench Block Tool

    HKP HK Parts

    Now: $9.95
    Was: $14.95
    HK Parts Armorers Puck Punch Bench Block Tool For All HK Firearms The HK armorers' puck punch bench block tool is standard issue at all HK armorers' courses. The purpose of the tool is to aid in installing axle and roll pins in your firearm while...
    HKP-17133
    Now: $9.95
    Was: $14.95
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    Now: $9.95
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  • DTAC Mag Paddle Bushing With Pin For Semi Builds DTAC Mag Paddle Bushing With Pin For Semi Builds

    DTAC Mag Paddle Bushing With Pin For Semi Builds

    DTAC Dakota Tactical

    $9.89
    DTAC Mag Paddle Bushing With Pin For Semi-Builds This part is made 100% in the US from 17-4 stainless steel. Latest production with patent pending anti-binding enhancement upgrade. Accurate tolerance for easy movement with minimal play. It has an...
    HKP-02194
    $9.89
    Qty in Cart: 0
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  • H&K 93/53/91/G3 Cocking Handle Spring

    H&K 93/53/91/G3 Cocking Handle Spring

    H&K Heckler & Koch

    $5.74
    New Style Cocking Handle Lever Spring - German   This is the latest HK German spring design with the factory HK anti-corrosion plating applied. The factory HK springs last longer and is more tolerant to corrosion. A perfect upgrade for your older...
    HKP-00348
    $5.74
    Qty in Cart: 0
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  • H&K 91/G3 (7.62x51 / .308) Cocking Handle Axle Pin

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

    H&K Heckler & Koch

    $4.95
    New HK German G3, 91, 21, & PTR Cocking Handle Axle Pin This is a new HK factory part for the .308 HK rifle. This part is the axle pin that holds the cocking handle in place on the cocking tube support.
    HKP-01690
    $4.95
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    $4.95
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  • H&K German Sling Hook - Black

    H&K German Sling Hook - Black

    H&K Heckler & Koch

    $8.95
    New old stock HK German sling hook. Made from steel not the cheap aluminum or zinc offerings found elsewhere. Made in Germany.Great For HK sling projects and for spares. The real deal. This is the sling hook that all others look up to. Hard to find. 1"...
    HKP-19433
    $8.95
    Qty in Cart: 0
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    $8.95
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  • HKP HK 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Hex Buffer Screw - Front

    HKP HK 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Hex Buffer Screw - Front

    HKP HK Parts

    $0.69
    Enhanced Hex Style Buffer ScrewNew upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old style buffer screws were used the older slotted head and...
    HKP-17883
    $0.69
    Qty in Cart: 0
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    $0.69
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  • Semi Auto Shelf For Receiver - Billeted

    Semi Auto Shelf For Receiver - Billeted

    $19.95
    Semi Auto Shelf For Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...
    HKP-01521
    $19.95
    Qty in Cart: 0
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    $19.95
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  • PTR Semi Auto Spacer With Elbow Spring - Match Grade PTR Semi Auto Spacer With Elbow Spring - Match Grade

    PTR Semi Auto Spacer With Elbow Spring - Match Grade

    PTR

    $11.95
    PTR Semi Auto Spacer With Elbow Spring - Match Grade   For use on all HK semi-auto trigger packs. It's a must-have for those converting a full auto trigger pack to semi-auto. This unit provides a "match" grade feel to your trigger pull. 
    HKP-00838
    $11.95
    Qty in Cart: 0
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    $11.95
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  • HKP Vertical Grip - Picatinny Mount - Long HKP Vertical Grip - Picatinny Mount - Long

    HKP Vertical Grip - Picatinny Mount - Long

    HKP HK Parts

    $24.95
    This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum locking block for ease of security...
    HKP-15296
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Buffer Screw Locking Washer - Zinc Plated H&K 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Buffer Screw Locking Washer - Zinc Plated

    H&K 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Buffer Screw Locking Washer - Zinc Plated

    H&K Heckler & Koch

    $0.25
    HK G3, 91, PTR & HK93, 33, 53 - Locking Washer For Small Buffer ScrewsNew not surplus latest generation of G3, 91, PTR toothed locking washer. Zinc plated (galvanized) as to not corrode or rust like the older style units found on surplus stocks...
    HKP-17882
    $0.25
    Qty in Cart: 0
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    $0.25
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  • KCI 20 Round HK91/G3/PTR 7.62 x 51mm/308 Magazine - Black KCI 20 Round HK91/G3/PTR 7.62 x 51mm/308 Magazine - Black

    KCI 20 Round HK91/G3/PTR 7.62 x 51mm/308 Magazine - Black

    KCI

    $12.95
    HK 91, G3, PTR .308 20 Round All Steel Magazine - KCI Designed to fit your G3, HK91, & PTR style firearms chambered in .308 and 7.62x51.  This standard capacity 20-round magazine provides reliabile and smooth feeding. Constructed of steel with a...
    HKP-19970
    $12.95
    Qty in Cart: 0
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    $12.95
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  • MFI HK G3,91,93,33 PTR & MP5 Scope Mount - Windowed MFI HK G3,91,93,33 PTR & MP5 Scope Mount - Windowed

    MFI HK G3,91,93,33 PTR & MP5 Scope Mount - Windowed

    MFI

    $124.95
    MFI HK G3, 91, 93, 33 PTR & MP5 Scope Mount - Windowed This model is the same as the best-selling low-profile mount, only with added windows for extra weight savings and a viewing window to see the serial numbers on the MP5/94 series of...
    HKP-02708
    $124.95
    Qty in Cart: 0
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    $124.95
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  • Out Of Stock
    HKP 90 Series Flat Trigger - Enhanced HKP 90 Series Flat Trigger - Enhanced

    HKP 90 Series Flat Trigger - Enhanced

    HKP HK Parts

    $49.95
    HKP 90 Series Flat Trigger - Enhanced Made in the USA from solid billet machined ordnance grade steel, heat treated, finished in a QPQ Nitride finish. With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series...
    HKP-18364
    $49.95
    Qty in Cart: 0
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  • H&K Locking Roller Pin For Bolt Heads H&K Locking Roller Pin For Bolt Heads

    H&K Locking Roller Pin For Bolt Heads

    H&K Heckler & Koch

    $6.95
    H&K Locking Roller Pin For Bolt Heads   HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped roller retainer...
    HKP-00066
    $6.95
    Qty in Cart: 0
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    $6.95
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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 stockNo 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 out...
    HKP-19485
    $9.95
    Qty in Cart: 0
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    $9.95
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  • Holex Feeler Gauge Set - 20 Piece - German Holex Feeler Gauge Set - 20 Piece - German

    Holex Feeler Gauge Set - 20 Piece - German

    HKP HK Parts

    $14.95
    The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap. This is the exact same tool set used in the...
    HKP-17212
    $14.95
    Qty in Cart: 0
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    $14.95
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  • H&K Roller For Bolt Head 8.00mm - Standard H&K Roller For Bolt Head 8.00mm - Standard

    H&K Roller For Bolt Head 8.00mm - Standard

    H&K Heckler & Koch

    $12.95
    H&K Roller For Bolt Head 8.00mm - Standard The 8mm roller is the proper roller size for the standard "zero" function. The correct 8mm roller is essential for proper head spacing and bolt gap. New HK German, not surplus or used goods, that are worn...
    HKP-00506
    $12.95
    Qty in Cart: 0
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    $12.95
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  • HKP Chamber Face Brush For All Barrels HKP Chamber Face Brush For All Barrels

    HKP Chamber Face Brush For All Barrels

    HKP HK Parts

    $25.99
    HKP Chamber Face Brush For All Barrels This brush was made to clean the hard-to-reach and hard-to-clean barrel face. This is a must-have addition for cleaning your HK firearm. This item will fit all standard 8-32 US thread cleaning rods. Compatible...
    HKP-00140
    $25.99
    Qty in Cart: 0
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    $25.99
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  • H&K 91/G3 (7.62x51 / .308) Cocking Handle - Black Rubberized - Surplus H&K 91/G3 (7.62x51 / .308) Cocking Handle - Black Rubberized - Surplus

    H&K 91/G3 (7.62x51 / .308) Cocking Handle - Black Rubberized - Surplus

    H&K Heckler & Koch

    $9.95
    HK German HK G3 & HK 91 Rubberized Cocking Handle- BlackUsed German Military Surplus From G3 Military Rifles.Each comes complete, black in color. Date coded. Made by HK for the German military.Fits all: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...
    HKP-17083
    $9.95
    Qty in Cart: 0
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    $9.95
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