All Parts

All Parts

At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.

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  • Sale
    HKP 3-Slot Medium Rail Optic Mount, Universal HKP 3-Slot Medium Rail Optic Mount, Universal

    HKP 3-Slot Medium Rail Optic Mount, Universal

    HKP HK Parts

    Now: $8.95
    Was: $14.95
    HKP 3-Slot Medium Rail Optic Mount, Universal Universal Picatinny mount rail riser for any firearm featuring a Picatinny top rail.  Compatible With: MP5/SP5 with UTG handguard (factory sights are perfectly viewable through riser aperture) MP5K/SP5K...
    HKP-15330
    Now: $8.95
    Was: $14.95
    Qty in Cart: 0
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    Now: $8.95
    Was: $14.95
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  • HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1 HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1

    HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1

    HKP HK Parts

    $129.95
    HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.
    HKP-01014
    $129.95
    Qty in Cart: 0
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    $129.95
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  • HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH

    HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH

    HKP HK Parts

    $24.95
    HKP 9mm Enhanced Thread Protector - Threaded 13.5x1 LH Titanium manufactured enhanced thread protector in 13.5x1 LH for use with all threaded barrels. This unique design will fit over and protect the crown of your barrel for added protection...
    HKP-19497
    $24.95
    Qty in Cart: 0
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    $24.95
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  • HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH

    HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH

    HKP HK Parts

    $49.95
    HKP 9mm 3-Lug Adapter - Threaded 13.5x1 LH The HK Parts 3-Lug Adapter is internally threaded in 13.5x1 left hand. Our adapter allows the attachment of common 3-lug accessories: flash hiders, compensators, suppressors, etc. This is the finest machined HK...
    HKP-17410
    $49.95
    Qty in Cart: 0
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    $49.95
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  • HKP HK 45/45C Bench Mat HKP HK 45/45C Bench Mat

    HKP HK 45/45C Bench Mat

    HKP HK Parts

    $13.95
    HKP HK 45/45C Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK45, HK45C firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to protect your gun bench, desk, kitchen table, or...
    HKP-17171
    $13.95
    Qty in Cart: 0
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    $13.95
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  • Out Of Stock
    HKP MP5 RMR Rear Site Optic Mount HKP MP5 RMR Rear Site Optic Mount

    HKP MP5 RMR Rear Site Optic Mount

    HKP HK Parts

    $97.95
    HK MP5- RMR Optic Mount: The  mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base. The mount is the perfect height to co-witness your RMR with your...
    HKP-20506
    $97.95
    Qty in Cart: 0
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  • PTR HK MP5 Flat Receiver w/ Weldment Set PTR HK MP5 Flat Receiver w/ Weldment Set

    PTR HK MP5 Flat Receiver w/ Weldment Set

    PTR

    $294.95
    MP5 9mm Receiver Flat With Complete Weldment & Rivet Set - PTR/LSC Several years ago PTR bought out LSC and now owns the tooling and dyes for the LSC 9mm flats. These elusive flats have been hard to find and are now available for the first time here...
    HKP-19509
    $294.95
    Qty in Cart: 0
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    $294.95
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  • AIM HK 91/G3 (7.62x51/.308) Extended Rifle Length Handguard - M-LOK AIM HK 91/G3 (7.62x51/.308) Extended Rifle Length Handguard - M-LOK

    AIM HK 91/G3 (7.62x51/.308) Extended Rifle Length Handguard - M-LOK

    AIM

    $84.95
    HK G3 EXTENDED RIFLE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...
    HKP-18173
    $84.95
    Qty in Cart: 0
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    $84.95
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  • Sale
    KCI Glock 50-Round  9mm Drum Magazine - Black KCI Glock 50-Round  9mm Drum Magazine - Black

    KCI Glock 50-Round 9mm Drum Magazine - Black

    SGM Tactical

    Now: $49.99
    Was: $69.95
    KCI Glock 50-Round 9mm Drum Magazine - Black Features: Capacity: 50 Rounds Caliber: 9mm Construction: Polymer/Steel Made in South Korea by KCI Compatible With: Glock 17, 19, 26, 34 Please Note: The firearm shown in the picture is NOT included. Since...
    HKP-14321
    Now: $49.99
    Was: $69.95
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    Now: $49.99
    Was: $69.95
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  • Lazy Wolf VP Series F3 Full Flat Face Trigger - Red Lazy Wolf VP Series F3 Full Flat Face Trigger - Red

    Lazy Wolf VP Series F3 Full Flat Face Trigger - Red

    Lazy Wolf

    $134.95
    Lazy Wolf VP Series F3 Full Flat Face Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the finest trigger ever developed after more than...
    HKP-18803
    $134.95
    Qty in Cart: 0
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    $134.95
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  • H&K 91/G3 (7.62x51/.308) Firing Pin - Used

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

    H&K Heckler & Koch

    $6.95
    H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone rifles
    HKP-16710
    $6.95
    Qty in Cart: 0
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    $6.95
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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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  • HKP HK VP9 Leupold Delta Point Pro Optics Plate #4 HKP HK VP9 Leupold Delta Point Pro Optics Plate #4

    HKP HK VP9 Leupold Delta Point Pro Optics Plate #4

    HKP HK Parts

    $29.95 - $39.95
    HKP/H&K VP9 9mm Leupold Delta Point Pro Optics Plate #4 The finest aluminum mounting solution for your HK VP9 series optic ready model. Each plate is CNC machined from a solid billet of ordnance grade aluminum, deburred, tumbled and Cerakoted for the...
    HKP-20070
    $29.95 - $39.95
    Qty in Cart: 0
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    $29.95 - $39.95
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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 Milspec 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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  • Out Of Stock
    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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    $539.95
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  • H&K 91/G3 (7.62x51/.308) Vinyl Magazine Pouch - Surplus

    H&K 91/G3 (7.62x51/.308) Vinyl Magazine Pouch - Surplus

    H&K Heckler & Koch

    $4.95
    Green Vinyl Plastic Double HKG3 Rubberized Magazine Pouch - Surplus  This mag pouch is German military surplus, and it is compatible with all HK G3, 91, and PTR Style 20-round mags.
    HKP-01941
    $4.95
    Qty in Cart: 0
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    $4.95
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  • H&K HK VP9/45/P Series Extractor Spring

    H&K HK VP9/45/P Series Extractor Spring

    H&K Heckler & Koch

    $8.95
    HK VP9/45/P Series Extractor Spring A must-have repair and replacement part and a recommended part to change out when doing routine maintenance on your HK pistol. Compatible With: HK45 HK45C HK P30/P30L HK P30SK HK P2000 HK P2000SK HK VP9 HK VP9SK
    HKP-01501
    $8.95
    Qty in Cart: 0
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    $8.95
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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 an item that is prone to wear and tear and should be replaced every so often. When installing a new cocking handle or when the spring is removed during scheduled servicing of the firearm...
    HKP-02465
    $3.95
    Qty in Cart: 0
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    $3.95
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  • HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug

    HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug

    HKP HK Parts

    $109.95
    HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels...
    HKP-20323
    $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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  • UTG Picatinney Scope Rail For HK Claw Mount UTG Picatinney Scope Rail For HK Claw Mount

    UTG Picatinney 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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  • HK Parts Decal Sticker - Classic Style HK Parts Decal Sticker - Classic Style

    HK Parts Decal Sticker - Classic Style

    HKP HK Parts

    $1.50
    HK Parts Decal Sticker - Classic Style Perfect addition to your safe, vehicle, motorcycle, boat, or just about any place. Available in black and white.
    HKP-18652
    $1.50
    Qty in Cart: 0
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    $1.50
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  • HKP +7 HK VP9/HK P30 Magazine Extension Kit HKP +7 HK VP9/HK P30 Magazine Extension Kit

    HKP +7 HK VP9/HK P30 Magazine Extension Kit

    HKP HK Parts

    $54.95
    HKP/H&K VP9/P30 +7 Magazine Extension Kit The HK Parts +7 magazine extension kit adds 7 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & mag spring. Each kit includes the +7 extension and an enhanced spring...
    HKP-19456
    $54.95
    Qty in Cart: 0
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    $54.95
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  • Sale
    Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black

    Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black

    Magpul

    Now: $14.95
    Was: $19.95
    Magpul CZ Scorpion PMAG 9mm - 35 Round The PMAG 35 EV9 is a lightweight, 35-round, 9x19mm CZ Scorpion EVO 3-compatible magazine. The PMAG 35 EV9 provides optimal round stack geometry, giving the large format pistol, PCC, and SMG market a pistol caliber...
    HKP-19283
    Now: $14.95
    Was: $19.95
    Qty in Cart: 0
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    Now: $14.95
    Was: $19.95
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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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  • H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used

    H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used

    H&K Heckler & Koch

    $499.95
    HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...
    HKP-18095
    $499.95
    Qty in Cart: 0
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    $499.95
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  • H&K Rear Sight Bearing

    H&K Rear Sight Bearing

    H&K Heckler & Koch

    $1.99
    H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.
    HKP-00145
    $1.99
    Qty in Cart: 0
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    $1.99
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  • H&K VP9/VP9SK, VP40 Slide Release Pressure Spring

    H&K VP9/VP9SK, VP40 Slide Release Pressure Spring

    H&K Heckler & Koch

    $6.95
    H&K VP9/VP9SK, VP40 Slide Release Pressure Spring Pressure Spring for Slide Release HK VP9, HK VP40. Compatible With: HK VP9 HK VP9SK HK VP40
    HKP-16788
    $6.95
    Qty in Cart: 0
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    $6.95
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  • HKP HK USP .45 Cal Compensator HKP HK USP .45 Cal Compensator

    HKP HK USP .45 Cal Compensator

    HKP HK Parts

    $199.95
    HKP HK USP .45 Cal Compensator The HK Parts USP .45 compensator will add a sleek and tactical look to your USP. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you...
    HKP-20853
    $199.95
    Qty in Cart: 0
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    $199.95
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  • Comp-Tac HK VP9/VP9L/Match International RH Holster - Black Comp-Tac HK VP9/VP9L/Match International RH Holster - Black

    Comp-Tac HK VP9/VP9L/Match International RH Holster - Black

    Comp-Tac

    $79.95
    Comp-Tac HK VP9/VP9L/Match International RH Holster - Black ONE HOLSTER to fit your entire VP9 Lever collection, including your VP9 Match. Comp-Tac has worked with HK Parts to develop a flexible holster to fit your needs- whether you have the VP9 Match,...
    HKP-20011
    $79.95
    Qty in Cart: 0
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    $79.95
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  • H&K  91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete H&K  91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete

    H&K 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete

    H&K Heckler & Koch

    $24.95
    H&K 91/G3 (7.62x51 / .308) Backplate & Recoil Rod Assembly Complete Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete and 100% serviceable. Ready to install. This is also a...
    HKP-16144
    $24.95
    Qty in Cart: 0
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    $24.95
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  • H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned

    H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned

    H&K Heckler & Koch

    $79.95
    H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned This Germa made Heckler & Koch G3 surplus grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HK G3, PTR-91, or other HK .308 type...
    HKP-00722
    $79.95
    Qty in Cart: 0
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    $79.95
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  • H&K HK P2000SK Extended Floor Plate - Black H&K HK P2000SK Extended Floor Plate - Black

    H&K HK P2000SK Extended Floor Plate - Black

    H&K Heckler & Koch

    $21.95
    HK German P2000 SK Magazine Floor Plate - Extended P2000SK extended magazine floor plate fits all P2000 SK magazines. The perfect floorplate if you want a place for your pinky when grasping the firearm. Compatible With: P2000 SK P30SK (with slight...
    HKP-17399
    $21.95
    Qty in Cart: 0
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    $21.95
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  • H&K HK SL8, HK G36 Extended Mag Release H&K HK SL8, HK G36 Extended Mag Release

    H&K HK SL8, HK G36 Extended Mag Release

    H&K Heckler & Koch

    $49.95
    HK SL8 & G36 Oversized Extended Mag Release New HK German SL8, G36, HK243 extended magazine release. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK extended magazine release is a drop in replacement and requires zero...
    HKP-17720
    $49.95
    Qty in Cart: 0
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    $49.95
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  • H&K HK USP/USPC Match Hammer H&K HK USP/USPC Match Hammer

    H&K HK USP/USPC Match Hammer

    H&K Heckler & Koch

    $75.95
    HK Match Hammer This is the factory-correct match hammer marked with the factory-correct "S" marking on the left-hand side of the hammer. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W...
    HKP-02602
    $75.95
    Qty in Cart: 0
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    $75.95
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  • H&K/HKP 22 Round HK USP45/Mark 23 .45 Complete Magazine H&K/HKP 22 Round HK USP45/Mark 23 .45 Complete Magazine

    H&K/HKP 22 Round HK USP45/Mark 23 .45 Complete Magazine

    H&K / HK Parts

    $149.95
    Mark 23/USP .45 - 22 Round Magazine Complete  HK Parts takes an existing 12 round mag the +10 mag extension and assembles them into a working 22 round magazine. This offering is a valuable option for those that need a backup ultra capacity magazine...
    HKP-21372-M
    $149.95
    Qty in Cart: 0
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    $149.95
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  • HKP HK G36C Rear Stock - Black HKP HK G36C Rear Stock - Black

    HKP HK G36C Rear Stock - Black

    $106.99
    HKP G36C Rear Stock HK G36C 9.5" rear stock assembly. One full inch shorter than the standard G36/G36K stock. Each G36C stock is compatible with all G36 variants. This is the preferred stock for average height end users. Compatible...
    HKP-18218
    $106.99
    Qty in Cart: 0
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    $106.99
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  • HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium

    HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium

    HKP HK Parts

    $49.95
    HKP MP5, MP5K, 94 & SP89 Firing Pin-Titanium Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the finest US made Titanium firing pin available anywhere, at any price. Built to...
    HKP-17601
    $49.95
    Qty in Cart: 0
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    $49.95
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  • Out Of Stock
    HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount

    HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount

    HKP HK Parts

    $97.95
    HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount Our new picatinny style optic mount is a game changer for those that want to have a minimalist look on their MP5 .22. You can have a picatinny rail with out having to compromise all the real estate...
    HKP-21369
    $97.95
    Qty in Cart: 0
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    $97.95
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