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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Out Of Stock
RCM HK MP5-E Full Auto Bolt Group
RCM
$449.95RCM HK MP5-E Full Auto Bolt Group Each bolt group incorporates RCM’s F style carrier, MP5-E bolt head, extractor and 100 degree locking piece. This group is 100% US made and the finest out there. Complete and ready to drop in and use. Ideal to...HKP-21351$449.95 -
SB Tactical HK MP5 Brace with HKP Stock Adapter
SB Tactical, HKP HK Parts
$299.95SB Tactical HK MP5 Brace with HKP Stock Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment...HKP-20214$299.95 -
Solar Tactical HK G3/K91 Kydex RH Grip Wrap - Black
Solar Tactical
$69.95Solar Tactical HK G3/K91 Kydex RH Grip Wrap - Black Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds. Preban...HKP-18915$69.95 -
Strike Industries HK MP5K Dual Folding Stock & Brace with Adapter
Strike Industries / HKP
$349.95Strike Industries Dual Folding Stock & Brace with HKP MP5K Adapter The Strike Dual Folding Adapter paired with our MP5K picatinny adapter is one of the best options on the market for those looking for weight reduction and a compact configuration...HKP-21386-M$349.95 -
Viridian X5L Gen 3 Universal Laser & Light - Green
Viridian
$409.00Viridian X5L Gen 3 Universal Laser & Light - Green The new Viridian X5L Gen 3 is the latest version of the original green laser sight + tactical light combo. First launched in 2008 this family of products has continued to innovate through the years...HKP-19562$409.00 -
Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Red
Wilson Combat
$39.95Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Red Snag Free Front Sight, Red Fiber Optic, Vickers Elite for H&K® .225 Compatible With: 45, 45C, P30 9mm, P30 40 S&W, P30L 9mm, P30L 40 S&W, P30SK, VP9 Specifications: Height: ...HKP-18380$39.95 -
Out Of Stock
B&T APC9/APC45 Telescopic Stock Brace Adapter
B&T Brugger & Thomet
$94.95B&T Brace Adapter for B&T Telescopic Stock - APC9/APC45/APC223/APC300 Swiss made B&T brace adapter for the APC9/APC45/APC223/ACP300 telescopic stock. Adapter replaces the buttpad on the BT-20394 and BT-20407 APC telescopic stocks and allows...HKP-19860$94.95 -
B&T MP5, MP5K Low Mount For Trijicon ACOG
B&T Brugger & Thomet
$169.95B&T Mounting Rail NAR for HK MP5 & MP5K with Tijicon ACOG Compatible With: HK MP5 & SP5 HK MP5K & SP5K In spec. clones and builds Specifications: Color: Black Height max: 31.5 mm Length max: 84 mm Material: Aluminum Treatment: Hardcoat...HKP-17284$169.95 -
Friction Sear-USED For SEF, Navy Trigger Packs
H&K Heckler & Koch
$4.49Friction Sear-USED For SEF, Navy Trigger Packs Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16197$4.49 -
H&K 21E/23E/11E/13E (7.62x51/.308) & (5.56/.223) Hammer Spring
H&K Heckler & Koch
$19.95HK German HK21E, 23E, 11E & 13E Hammer Spring - German This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series of firearms. Made in Germany and no longer made or...HKP-15453$19.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...HKP-15792$49.95 -
H&K HK 417/MR762 Rear Diopter Sight
H&K Heckler & Koch
$224.95HK 417 & MR762 Rear Diopter Sight Specifications: Fits: 12", 16.5", 17", & 20" barrel lengths. Compatible With: HK MR762 HK 417 MR556 rifles Also made to fit the HK G28 firearmHKP-02547$224.95 -
H&K HK MR556/416 Castle Nut
H&K Heckler & Koch
$35.95HK German HK 416, MR556 Castle Nut For Buffer Tube New HK German manufacture. This buffer tube castle nut will fit both mil-spec and commercial buffer tubes. All steel manufacture. With HK round tool attachment points as well as traditional wrench...HKP-15230$35.95 -
H&K HK MR556/416 Ejection Door Lock Bolt Pin
H&K Heckler & Koch
$4.95HK MR556 & 416 Ejection Door Lock Bolt Pin Compatible With: HK 416 HK MR556HKP-02536$4.95 -
H&K HK USP Jet Funnel Steel Floor Plate
H&K Heckler & Koch
$49.95H&K HK USP Jet Funnel Steel Floor Plate A great spare and replacement part to have on hand. The HK USP jet funnel floorplate will fit the original style and the new style magazines. Compatible With: HK USP 9mm HK USP 40 Cal Please Note: HK...HKP-01204$49.95 -
H&K HK VP9/VP9SK, HK VP40 Firing Pin w/ Striker
H&K Heckler & Koch
$49.95Firing Pin, Striker For HK VP9, VP9SK & VP40 New HK German factory firing pin that fits all models of VP series pistols. Compatible With: HK VP9, VP9 Tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 TacticalHKP-16833$49.95 -
H&K Mark 23 .45 ACP Barrel - Threaded 16x1 RH
H&K Heckler & Koch
$599.95H&K Mark 23 .45 ACP Barrel - Threaded 16x1 RH A great replacement item for a now out-of-production pistol. New HK German mark 23 barrel threaded with the factory correct 16x1 RH thread. Get that replacement or factory new spare barrel while they are...HKP-01038$599.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Handle Pin
H&K Heckler & Koch
$7.95HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USCHKP-01885$7.95 -
HK 416 10.4" Upper Gas Block - German
$279.95HK German 10.4" Upper Gas Block Complete New HK German manufacture. This is the ONLY 10.4" gas block available from HK Germany. Compatible With: HK 10.4" uppers HK MR556 to 10.4" conversions Please Note: This unit is NOT a vented gas block.HKP-01543$279.95 -
HKP - MP5K, SP89 Receiver Flat With Weldment Set
HKP HK Parts
$239.95HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...HKP-20882$239.95 -
HKP 15 Round HK VP9SK, HK P30SK 9mm Magazine with Finger Rest - Black
HKP HK Parts
$79.95HK VP9SK & P30SK 9mm - 15 Round Magazine with HK Black Finger Rest New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5 magazine extension installed & ready to use. This...HKP-20568$79.95 -
HKP 416 10.4" 5.56 Complete Upper Receiver Assembly
HKP HK Parts
$2,485.95HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...HKP-17662$2,485.95 -
HKP AR Grip Screw 1/4x28x1 Hex w/ Locking Washer
HKP HK Parts
$1.95HKP AR Grip Screw 1/4x28x1 Hex w/ Locking Washer This replacement screw is to mount your AR-15/AR-10 pistol grip screw. 1/4x28x1 with a star lock washer. The best option to use for new builds or to replace your worn out or stripped screw. The best...HKP-20685$1.95 -
HKP HK P30/P30S Comp Weight™ Quick Detach Compensator - Black
HKP HK Parts
$149.95HK P30, P30S - Quick Detach Comp Weight™ - 9mm & .40 Cal Easy on, easy off - Quick Detach Technology. In stock & shipping! The HK Parts P30, P30S 9mm & .40 Cal Comp Weight™ is the world's first quick detach Comp Weight™,...HKP-17929$149.95 -
HKP HK UMP (9mm ) 15 Round Magazine
HKP HK Parts
$49.95UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...HKP-17849$49.95 -
HKP HK VP40/Tactical Bench Mat - Black
HKP HK Parts
$13.95VP40 & VP40 Tactical Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your VP40 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen...HKP-18159$13.95 -
HKP HK VP9 MOD 1 Compensator - Black
HKP HK Parts
$189.95HK Parts MOD 1 Compensator: H&K VP9 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Each MOD 1 comp includes...HKP-21223$189.95 -
HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate - Red
HKP HK Parts
$34.95HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate - Red The HK Parts Quick Detach Slide Plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly. The...HKP-18111$34.95 -
HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set
HKP HK Parts
$129.95HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set Specifications: Construction: Hard Coated Titanium Color: Matte Black Weight: 1.7 oz. Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse stretch builds, clones, or other custom buildsHKP-00184$129.95 -
Lazy Wolf VP F2 Flat Face Series Trigger - Blue
Lazy Wolf
$134.95F2 - Flat Face - VP Series Trigger - Lazy Wolf Guns - Blue 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 best trigger ever developed after more...HKP-19648$134.95 -
MKE HK33 A3 Retractable Buttstock - OD Green
MKE
$359.95MKE HK33 Retractable Buttstock - OD GREEN The MKE retractable HK33 buttstock is an easy-to-install retractable stock system designed to deliver superior comfort and reliable weapon control. The simple lock/release system is easy to operate,...HKP-21181$359.95 -
Sale
NeoMag Large .45 Magazine Carrier
NeoMag
Now: $19.95Was: $39.95NeoMag Large .45 Magazine Carrier The NeoMag magazine carrier is the original magnetic pocket magazine holder. Features: Titanium pocket clip - standard length Covers double and single stack magazines Steel construction of black nitride...HKP-18366Now: $19.95Was: $39.95 -
RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...HKP-16707$225.00 -
RCM HK VP9L 9mm Tactical Barrel - Threaded 13.5x1 LH
RCM
$262.50RCM HK VP9L 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9L 9mm...HKP-19202$262.50 -
Strike Industries QD & Sling Hook Sling Attachement
Strike Industries
$28.95Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design system allows for it to be lightweight and durable. Because...HKP-17381$28.95 -
Trijicon HK VP/45C/P30 Night Sight Set - Green
Trijicon
$142.95Trijicon HK VP/45C/P30 Night Sight Set - Green Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same speed...HKP-01611$142.95 -
USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete
USA
$399.95USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin Compatible With: HK UMP ...HKP-18588$399.95 -
Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Green
Wilson Combat
$39.95Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Green Snag Free Front Sight, Green Fiber Optic, Vickers Elite for H&K® .225" Compatible With: HK VP9, HK VP9SK, HK VP40 HK45 Compact, HK45CT HK P30 9mm or .40 HK P30L 9mm or .40 HK...HKP-18379$39.95 -
Sale
30 Round Magazine - ETS - 9mm - Carbon Smoke - HK VP9
Elite Tactical Systems
Now: $9.95Was: $14.9930 Round Magazine - Elite Tactical Systems - 9mm - HK VP9 - Carbon Smoke Features: Extended 30-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Easy disassembly with our specially designed base plate Ergonomically...HKP-20753Now: $9.95Was: $14.99 -
B&T MP5 Handguard With LED Weapon Light -TL99
B&T Brugger & Thomet
$649.95B&T Model TL99 CREE LED Lit Handguard for HK MP5, 94 Models Each unit handguard is built with the integrated tactical LED light & 3 position switch. Specifications: High intensity torch light Focused beam Shock proof, waterproof Ambidextrous...HKP-16901$649.95