HK G3/91 Small Parts

HK G3/91 Small Parts

Never be without the little things. Our selection includes every essential HK G3/91 small part, from pins and springs to detents and locking pieces.

 

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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 number 1 replaced item on HK firearms. Many HK gunsmiths recommend upgrading MP5/94 series HK's with this longer/stronger silver spring vs...
    HKP-00188
    $6.74
    Qty in Cart: 0
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    $6.74
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  • H&K Small Push Pin - Forearm & Lower

    H&K Small Push Pin - Forearm & Lower

    H&K Heckler & Koch

    $8.95
    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
    $8.95
    Qty in Cart: 0
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    $8.95
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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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  • HKP 1st Gen Roller Retainer Plate To Spring Upgrade

    HKP 1st Gen Roller Retainer Plate To Spring Upgrade

    HKP HK Parts

    $9.95
    HKP 1st Gen Roller Retainer Plate To Spring Upgrade This action 3 roller retainer spring for all 1st Generation bolt heads replaces the oval-shaped roller retainer plate. HK made a wire spring as an upgrade for later production bolt heads to improve the...
    HKP-02119
    $9.95
    Qty in Cart: 0
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    $9.95
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  • HKP Small Push Pin - Forearm & Lower HKP Small Push Pin - Forearm & Lower

    HKP Small Push Pin - Forearm & Lower

    USA

    $6.95
    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
    $6.95
    Qty in Cart: 0
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    $6.95
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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
    H&K 90 Series Butt Stock Push Pin 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...
    HKP-18038
    $3.95
    Qty in Cart: 0
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    $3.95
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  • US Ejector Lever Axle US Ejector Lever Axle

    US Ejector Lever Axle

    HKP HK Parts

    $6.95
    US Ejector Lever Axle This US ejector lever axle pin holds the ejector lever in place in the trigger pack. Made out to HK spec for the best US replacement part on the market. The best replacement for your worn out or broken axle. A must have replacement...
    HKP-20630
    $6.95
    Qty in Cart: 0
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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, 5.56/.223 Rifle Extractor Spring New factory contract part. The extractor spring is the number 1 replaced item on HK firearms. Many HK gunsmiths recommend upgrading MP5/94 series HK's with this longer/stronger...
    HKP-16248
    $3.49
    Qty in Cart: 0
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    $3.49
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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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  • 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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    $5.74
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  • H&K Roller Retainer Pin - New Style H&K Roller Retainer Pin - New Style

    H&K Roller Retainer Pin - New Style

    H&K Heckler & Koch

    $6.95
    HK Roller Retainer Pin, Clamping Sleeve- New Style This part works with all roller retainer plates and springs. HK started this change of roller retainer pins starting in all 2011-produced bolt heads. Works with all styles of roller retainer plates...
    HKP-01954
    $6.95
    Qty in Cart: 0
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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 - Used German 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...
    HKP-18305
    $29.95
    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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  • 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 Screw New 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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  • H&K Oversized Barrel Retaining Pin - 5.25mm

    H&K Oversized Barrel Retaining Pin - 5.25mm

    H&K Heckler & Koch

    $9.95
    H&K Oversized Barrel Retaining Pin - 5.25mm This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunnion. Each pin is slightly...
    HKP-16954
    $9.95
    Qty in Cart: 0
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    $9.95
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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

    $9.95
    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. Will also work perfect for all HK93, HK53, HK33...
    HKP-01690
    $9.95
    Qty in Cart: 0
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    $9.95
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  • 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 With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series trigger. Each enhanced flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as...
    HKP-18364
    $49.95
    Qty in Cart: 0
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    $49.95
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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 Screws New 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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  • HKP Roller +6 - New - 8.06mm HKP Roller +6 - New - 8.06mm

    HKP Roller +6 - New - 8.06mm

    HKP HK Parts

    $8.99
    Roller +6 - New - 8.06mm HK Parts Standard (8.06 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-19439
    $8.99
    Qty in Cart: 0
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    $8.99
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  • HKP Rear Sight Oval Washer

    HKP Rear Sight Oval Washer

    HKP HK Parts

    $2.95
    HKP Rear Sight Oval Washer HK German oval washer for the rear sight diopter style assemblies. This is the needed washer used in conjunction with the locking washer. Fits and works with all diopter-style rear sights.
    HKP-00870
    $2.95
    Qty in Cart: 0
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    $2.95
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  • HKP Quick Detach Sling Attachment Sling Pin - Small HKP Quick Detach Sling Attachment Sling Pin - Small

    HKP Quick Detach Sling Attachment Sling Pin - Small

    HKP HK Parts

    $37.95
    HKP Quick Detach Sling Attachment Sling Pin - Small The small push pin is used to retain the forearm to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for the...
    HKP-18071
    $37.95
    Qty in Cart: 0
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    $37.95
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  • H&K Push Pin Set - MP5, G3/91, 33/53/93

    H&K Push Pin Set - MP5, G3/91, 33/53/93

    H&K Heckler & Koch

    $15.49
    HK Set Of Two (One Large And One Small) Push Pins -Used These are great replacements or spare parts to keep on hand.  Compatible With: HK91 & G3 53, 33, and 93 MP5, SP5, SP89 PTR and GSG-5 family of guns. Please Note: The GSG5 will take...
    HKP-00673
    $15.49
    Qty in Cart: 0
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    $15.49
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  • HKP Roller +8 - New - 8.08mm HKP Roller +8 - New - 8.08mm

    HKP Roller +8 - New - 8.08mm

    HKP HK Parts

    $8.99
    Roller +8 - New - 8.08mm HK Parts Standard (8.08 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-19437
    $8.99
    Qty in Cart: 0
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    $8.99
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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 Roller +2 - New - 8.02mm HKP Roller +2 - New - 8.02mm

    HKP Roller +2 - New - 8.02mm

    HKP HK Parts

    $8.99
    Roller +2 - New - 8.02mm HK Parts Standard (8.02 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-19423
    $8.99
    Qty in Cart: 0
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    $8.99
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  • HKP Quick Detach Sling Attachment Sling Pin - Large HKP Quick Detach Sling Attachment Sling Pin - Large

    HKP Quick Detach Sling Attachment Sling Pin - Large

    HKP HK Parts

    $37.95
    HKP Quick Detach Sling Attachment Sling Pin - Large The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the pushpin for...
    HKP-18070
    $37.95
    Qty in Cart: 0
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    $37.95
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  • H&K 91/G3 (7.62x51/.308) Extractor H&K 91/G3 (7.62x51/.308) Extractor

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

    H&K Heckler & Koch

    $13.95
    HK German HK G3, HK, 91 & PTR 91 .308 Extractor New HK German. The G3 is out of production and this small lot of new old stock extractors is available at the best price in the country. Fits all models of HK G3 style firearms and CETME's. Compatible...
    HKP-00495
    $13.95
    Qty in Cart: 0
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    $13.95
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  • HKP Roller +4 - New - 8.04mm HKP Roller +4 - New - 8.04mm

    HKP Roller +4 - New - 8.04mm

    HKP HK Parts

    $8.99
    Roller +4 - New - 8.04mm HK Parts Standard (8.04 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-19441
    $8.99
    Qty in Cart: 0
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    $8.99
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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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  • H&K Full Auto Paddle Magazine Release Bushing

    H&K Full Auto Paddle Magazine Release Bushing

    H&K Heckler & Koch

    $6.95
    H&K Full Auto Paddle Magazine Release Bushing - New New HK German paddle magazine release bushing for 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...
    HKP-00847
    $6.95
    Qty in Cart: 0
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    $6.95
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  • H&K Magazine Catch, Push Button Roll Pin

    H&K Magazine Catch, Push Button Roll Pin

    H&K Heckler & Koch

    $4.95
    H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...
    HKP-01918
    $4.95
    Qty in Cart: 0
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    $4.95
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  • H&K Small Push Pin Replacement Spring H&K Small Push Pin Replacement Spring

    H&K Small Push Pin Replacement Spring

    H&K Heckler & Koch

    $1.95
    Replacement Spring for HK style push pin - Small  A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in...
    HKP-20368
    $1.95
    Qty in Cart: 0
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    $1.95
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  • H&K Front Sight Tower & Cocking Handle Pin H&K Front Sight Tower & Cocking Handle Pin

    H&K Front Sight Tower & Cocking Handle Pin

    H&K Heckler & Koch

    $1.95
    H&K Front Sight Tower & Cocking Handle Pin Front sight tower roll pin for all HK 90 series front sights as well with some other applications. Compatible With: MP5 & SP5 MP5K & SP5K HK G3 & 91 HK 33, 53, 93
    HKP-00096
    $1.95
    Qty in Cart: 0
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    $1.95
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  • H&K +4 Roller For Bolt Head 8.04mm - Over-sized H&K +4 Roller For Bolt Head 8.04mm - Over-sized

    H&K +4 Roller For Bolt Head 8.04mm - Over-sized

    H&K Heckler & Koch

    $19.95
    H&K +4 Roller For Bolt Head 8.04mm - Over-sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...
    HKP-00508
    $19.95
    Qty in Cart: 0
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    $19.95
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  • PTR HK 91/G3 (7.62x51/.308) Rear Push Pin Reinforcement Weldment PTR HK 91/G3 (7.62x51/.308) Rear Push Pin Reinforcement Weldment

    PTR HK 91/G3 (7.62x51/.308) Rear Push Pin Reinforcement Weldment

    PTR

    $19.95
    HK91, G3, PTR, CETME Push Pin Reinforcement Weldment HK91/G3/PTR91 or CETME steel receiver flat weldment that is added to the rear of the receiver where the 2 large stock push pins install to reinforce this section of the receiver against damage or use...
    HKP-18224
    $19.95
    Qty in Cart: 0
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    $19.95
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  • H&K German Recoil Guide Rod Rivet

    H&K German Recoil Guide Rod Rivet

    H&K Heckler & Koch

    $4.95
    H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...
    HKP-01026
    $4.95
    Qty in Cart: 0
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    $4.95
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  • H&K 90 Series Sear & Trigger Axle

    H&K 90 Series Sear & Trigger Axle

    H&K Heckler & Koch

    $1.99
    HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...
    HKP-15459
    $1.99
    Qty in Cart: 0
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    $1.99
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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 +2 Roller For Bolt Head 8.02mm - Over-sized H&K +2 Roller For Bolt Head 8.02mm - Over-sized

    H&K +2 Roller For Bolt Head 8.02mm - Over-sized

    H&K Heckler & Koch

    $24.95
    H&K +2 Roller For Bolt Head 8.02mm - Over-sized New HK standard (8.02 mm) locking roller. The proper roller size is essential for a proper bolt gap. New HK German, not surplus or used out-of-spec part. Please Note: The price listed is per roller...
    HKP-00507
    $24.95
    Qty in Cart: 0
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    $24.95
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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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