Rifle / SMG Parts

Rifle / SMG Parts

Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • Kaw Valley Precision 9mm Mach 3-Lug Mount Kaw Valley Precision 9mm Mach 3-Lug Mount

    Kaw Valley Precision 9mm Mach 3-Lug Mount

    Kaw Valley Precision

    $79.95
    Kaw Valley Precision 9mm Mach 3-Lug Mount The Kaw Valley Precision MACH 3-Lug Mount is a fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common...
    HKP-19995
    $79.95
    Qty in Cart: 0
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  • UTG Picatinny Scope Rail For HK Claw Mount UTG Picatinny Scope Rail For HK Claw Mount

    UTG Picatinny Scope Rail For HK Claw Mount

    UTG

    $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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  • 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 Roller +9 - New - 8.09mm HKP Roller +9 - New - 8.09mm

    HKP Roller +9 - New - 8.09mm

    HKP HK Parts

    $8.99
    Roller +9 - New - 8.09mm HK Parts Standard (8.09 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-19438
    $8.99
    Qty in Cart: 0
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  • HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH

    HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-purpose accessory that functions as both a compensator and thread protector. It easily attaches to any factory-spec .578x28 RH .45...
    HKP-20213
    $29.95
    Qty in Cart: 0
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  • HKP HK MR556/416 Handguard Rail System Hex Screw HKP HK MR556/416 Handguard Rail System Hex Screw

    HKP HK MR556/416 Handguard Rail System Hex Screw

    HKP HK Parts

    $9.95
    HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless Steel Hex head replacement handguard retention screw for your HK416, MR556 forearm. Made in the USA from 17-4 SS with a 5mm hex head for ease and use when installing and taking off the...
    HKP-17657
    $9.95
    Qty in Cart: 0
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  • Meprolight HK MP5/MP5K, HK91/HK93 Tritium Front Night Sight

    Meprolight HK MP5/MP5K, HK91/HK93 Tritium Front Night Sight

    Meprolight

    $39.99
    Meprolight Rifle Front Sight - HK MP5, HK MP5K HK91, HK93, PTR The Meprolight HK Mp5, 91, 93, 94 Rifle Front Sight, Green ML31506F.S Features: Self illuminated light source - No batteries or switches, always ready when you need them. Operates under...
    HKP-19703
    $39.99
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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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  • HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter

    HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter

    HKP HK Parts

    $129.95
    HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock setups...
    HKP-21385-M
    $129.95
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  • On Sale
    Magpul 20 Round PMAG M3 Magazine - 7.62x51/.308 Magpul 20 Round PMAG M3 Magazine - 7.62x51/.308

    Magpul 20 Round PMAG M3 Magazine - 7.62x51/.308

    Magpul

    Now: $17.95
    Was: $24.95
    Magpul PMAG 20-LR 20-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 20LR is a cost-effective, highly reliable magazine for SR25/M110 pattern rifles featuring a 20-round capacity, constant-curve body, and snap-on impact/dust Cover. Designed...
    HKP-01651
    Now: $17.95
    Was: $24.95
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  • SB Tactical HK MP5 .22LR Folding Brace w/Billet Adapter SB Tactical HK MP5 .22LR Folding Brace w/Billet Adapter

    SB Tactical HK MP5 .22LR Folding Brace w/Billet Adapter

    HK Parts / SB Tactical

    $224.95
    SB Tactical Side Folding Brace with Billet Adapter for the HK MP5 .22 model: This is not your standard SB Tactical side folding brace.  We pair the standard SBT brace with our own billet aluminum brace adapter to give you a more robust option over...
    HKP-19951
    $224.95
    Qty in Cart: 0
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  • H&K MP5/SP5/HK94 Wide Forearm H&K MP5/SP5/HK94 Wide Forearm

    H&K MP5/SP5/HK94 Wide Forearm

    H&K Heckler & Koch

    $74.95
    H&K MP5/SP5/HK94 Wide Forearm German HK MP5 Handguard, also known as the Tropical wide forearm. This is the real deal in HK German and the gold standard of HK MP5 handguard offerings. Compatible With: MP5, 94, SP5 MP5 40/10 MKE, POF, Zenith,...
    HKP-00174
    $74.95
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  • H&K SEF Long Axle Selector Lever - LIKE NEW H&K SEF Long Axle Selector Lever - LIKE NEW

    H&K SEF Long Axle Selector Lever - LIKE NEW

    H&K Heckler & Koch

    $32.95
    H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...
    HKP-21338
    $32.95
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  • H&K Trip Lever- Friction - Used - Surplus H&K Trip Lever- Friction - Used - Surplus

    H&K Trip Lever- Friction - Used - Surplus

    H&K Heckler & Koch

    $3.74
    H&K Trip Lever- Friction - Used - Surplus HK German trip lever for HK F/A or registered sear trigger packs in used surplus condition. This is the older friction style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-17760
    $3.74
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  • B&T HK MP5 .22LR Folding Stock B&T HK MP5 .22LR Folding Stock

    B&T HK MP5 .22LR Folding Stock

    B&T Brugger & Thomet

    $249.95
    B&T Folding Stock for MP5 .22lr Swiss made B&T folding stock for the MP5 22lr. This is a military grade stock section as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and military units around the...
    HKP-20166
    $249.95
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  • Out Of Stock
    HK G36/SL8 (5.56/.223) Barrel Mandrel HK G36/SL8 (5.56/.223) Barrel Mandrel

    HK G36/SL8 (5.56/.223) Barrel Mandrel

    $99.95
    Barrel Mandrel For Removal & Installation of HK G36 & SL8 Barrels From the mother of invention comes the state-of-the-art H&K SL-8 and G-36 barrel wrench. It will fit everything from the 9" G-36c to the 20" SL-8. The barrel mandrel reinforces...
    HKP-02608
    $99.95
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  • HKP .45 ACP Thread Protector - Threaded 16x1 LH HKP .45 ACP Thread Protector - Threaded 16x1 LH

    HKP .45 ACP Thread Protector - Threaded 16x1 LH

    HKP

    $14.95
    HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...
    HKP-19669
    $14.95
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  • HKP 90 Series Sear HKP 90 Series Sear

    HKP 90 Series Sear

    HKP HK Parts

    $47.95
    HK USA-Made Sear, Catch-Billeted Machined Steel Hard to find and important for keeping your HK build 922r compliant. This US-made sear counts as one US-compliant part for your rifle or build. Machined from a bar of solid ordnance grade steel, with the...
    HKP-00378
    $47.95
    Qty in Cart: 0
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  • HKP MP5K Enhanced SD Shroud HKP MP5K Enhanced SD Shroud

    HKP MP5K Enhanced SD Shroud

    HKP HK Parts

    $119.95
    MP5K SD Shroud For SP89 & MP5K Conversion Our MP5K SD shroud is a the best option for those who want to build a custom MP5K SD model. Made in the USA.
    HKP-00849
    $119.95
    Qty in Cart: 0
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  • MP5 & HK94 Recoil Rod Assembly

    MP5 & HK94 Recoil Rod Assembly

    USA

    $37.95
    HK MP5, SP5, & HK94 Recoil Rod Assembly - Complete And Micro-Polished All stainless steel rods and ends. This is a great item to have on hand as a spare part.  Compatible With: HK MP5, HK SP5, HK94 HK MP5SD HK MP5 full-size clones and...
    HKP-02168
    $37.95
    Qty in Cart: 0
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  • B&T HK MP5, SP5 Telescopic Brace B&T HK MP5, SP5 Telescopic Brace

    B&T HK MP5, SP5 Telescopic Brace

    B&T Brugger & Thomet

    $539.95
    B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation. Compatible...
    HKP-19504
    $539.95
    Qty in Cart: 0
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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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  • H&K HK MR556/MR762/416//417 Complete Piston Rod Assembly

    H&K HK MR556/MR762/416//417 Complete Piston Rod Assembly

    H&K Heckler & Koch

    $64.95
    H&K HK MR556, MR762, 416, & 417 Complete Piston Rod Assembly  A great replacement or spare to keep on hand. Compatible With: HK MR556 HK 416 HK 416 A5 MR762 HK 417 Please Note: Does not fit barrels less than 10 inches.
    HKP-00042
    $64.95
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  • HKP MP5/HK94 Complete Weldment Set For Receiver Flat

    HKP MP5/HK94 Complete Weldment Set For Receiver Flat

    HKP HK Parts

    $59.95
    HKP MP5/HK94 Complete Weldment Set For Receiver Flat This is the finest, most correct weldment set for your HK MP5, 94 project available.  Each Weldment Kit Contains: 1x Semi Auto Shelf Hanger Block 1x Rear stock bushing 1x Scope mounting piece 1x...
    HKP-01453
    $59.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K MP5K/SP89/SP5K 9mm Shoulder Harness - Right Handed H&K MP5K/SP89/SP5K 9mm Shoulder Harness - Right Handed

    H&K MP5K/SP89/SP5K 9mm Shoulder Harness - Right Handed

    H&K Heckler & Koch

    $299.95
    HK MP5K, SP89 & SP5K Shoulder Rig - Right Hand HK MP5K, SP5K shoulder harness with 2X spare magazine pouch. This is the finest shoulder harness available and is the one used by the Secret Service and other operators when discretely carrying the HK...
    HKP-01295
    $299.95
    Qty in Cart: 0
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    $299.95
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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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  • Magpul 30 Round HK G36 5.56/.223 Magazine - Black Magpul 30 Round HK G36 5.56/.223 Magazine - Black

    Magpul 30 Round HK G36 5.56/.223 Magazine - Black

    Magpul

    $29.95
    Magpul 30 Round HK G36 5.56/.223 Magazine - Black The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36...
    HKP-01740
    $29.95
    Qty in Cart: 0
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  • HKP HK MP5SD 9mm Barrel Port Brush HKP HK MP5SD 9mm Barrel Port Brush

    HKP HK MP5SD 9mm Barrel Port Brush

    HKP HK Parts

    $79.95
    HKP HK MP5SD 9mm Barrel Port Brush The HKP MP5SD barrel port brush can be rotated in either direction for stiffer or softer cleaning when using our proprietary handle. Compatible with any brush handle featuring the factory thread pitch. Compatible...
    HKP-20989
    $79.95
    Qty in Cart: 0
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  • MFI GSG-5/GSG-522/GSG-5PK Scope Mount MFI GSG-5/GSG-522/GSG-5PK Scope Mount

    MFI GSG-5/GSG-522/GSG-5PK Scope Mount

    MFI

    $109.95
    MFI HK Low Profile Scope Mount  The MFI low profile scope mount was designed exclusively for the GSG-5, Umarex, and HK MP5 .22 models. The MFI mount takes less than 3 minutes to mount on your rifles or pistols.  Compatible With: GSG-5,...
    HKP-01545
    $109.95
    Qty in Cart: 0
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    $109.95
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  • MKE AP5 Flash Hider MKE AP5 Flash Hider

    MKE AP5 Flash Hider

    MKE

    $79.95
    MKE AP5 Flash Hider - 3-Lug This 3-lug flash hider is perfect for Century Arms AP5. Specifications: Made in Turkey by MKE Tri-Lug Helps Increase Accuracy Compatible With: AP5  
    HKP-21185
    $79.95
    Qty in Cart: 0
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    $79.95
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  • H&K GSG-5 Rear Sight H&K GSG-5 Rear Sight

    H&K GSG-5 Rear Sight

    H&K Heckler & Koch

    $18.95
    H&K GSG-5 Rear Sight This item will fit all GSG-5 models, including the PK and P models. This item is an all-steel HK-made part designed for combat and the toughest of environments. Each HK factory sight comes as shown and is...
    HKP-02401
    $18.95
    Qty in Cart: 0
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  • HKP Ambi Housing Franklin Armory Binary Selector Set HKP Ambi Housing Franklin Armory Binary Selector Set

    HKP Ambi Housing Franklin Armory Binary Selector Set

    HKP HK Parts

    $79.95
    Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work  flawlessly with  Franklin Armory Trigger Pack...
    HKP-19816
    $79.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K 93/53/33 (5.56/.223) Factory Correct Ejector Lever H&K 93/53/33 (5.56/.223) Factory Correct Ejector Lever

    H&K 93/53/33 (5.56/.223) Factory Correct Ejector Lever

    H&K Heckler & Koch

    $59.95
    HK German Factory 93, 33, 33K, 53 & 300 Blackout Ejector Lever New 2nd generation latest design upgraded German factory correct ejector lever. This is the latest design with all the improvements for use in all the various models and styles of 556/223...
    HKP-00191
    $59.95
    Qty in Cart: 0
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  • H&K MP5K/SP89/SP5K 9mm Recoil Spring

    H&K MP5K/SP89/SP5K 9mm Recoil Spring

    H&K Heckler & Koch

    $11.95
    HK German MP5K, SP89 Recoil Rod Assembly Spring This is a great replacement and spare part.
    HKP-01159
    $11.95
    Qty in Cart: 0
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    $11.95
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  • H&K Roller Retainer Plate For Rollers H&K Roller Retainer Plate For Rollers

    H&K Roller Retainer Plate For Rollers

    H&K Heckler & Koch

    $25.95
    New HK German Roller Retainer Plate For Rollers 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 use and age of the service weapon. Compatible With: MP5, 94 MP5K, SP89 HKG3, 91,...
    HKP-00065
    $25.95
    Qty in Cart: 0
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    $25.95
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  • HKP HK MP5 .22LR Forearm - M-LOK HKP HK MP5 .22LR Forearm - M-LOK

    HKP HK MP5 .22LR Forearm - M-LOK

    HKP HK Parts

    $169.95
    HKP/H&K MP5 .22LR Forearm - M-LOK HK Parts brings you a long over due option for all the MP5 .22LR owners. Our new forearm takes the classic MP5 plastic forearm aesthetics from the MP5 .22LR and combine it with M-LOK compatible features for all sorts...
    HKP-21260-M
    $169.95
    Qty in Cart: 0
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    $169.95
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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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  • 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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  • H&K 91/G3 (7.62x51/.308) Cocking Handle - Green Rubberized - Surplus H&K 91/G3 (7.62x51/.308) Cocking Handle - Green Rubberized - Surplus

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

    H&K Heckler & Koch

    $8.95
    HK German HK G3 & HK 91 Older Style HK Green Cocking Handle Used green handled German military surplus cocking handle. No longer made or offered by HK. A genuine Heckler and Koch part. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...
    HKP-17082
    $8.95
    Qty in Cart: 0
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    $8.95
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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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