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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HKP Roller +5 - New - 8.05mm
HKP HK Parts
$8.99Roller +5 - New - 8.05mm HK Parts Standard (8.05 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19440$8.99 -
Magpul SL HK MP5K - Binary Trigger Group
FA Franklin Armory / Magpul
$889.95 - $919.95Magpul SL HK MP5K - Binary Trigger Group Perfect for those seeking a binary option combined with the comfort of a Magpul housing. We've paired a Magpul SL housing with our compatible binary selector levers and completed it with a Franklin Armory trigger...HKP-21408-M$889.95 - $919.95 -
Nefarious Arms HK 416 Reaction Rod
Nefarious Arms
$129.95Nefarious Arms - Reaction Rod - HK 416 The Nefarious Arms H&K 416 Reaction Rod is used to securely hold the upper receiver in a bench vise so that work may be performed on the muzzle device. It is inserted through the rear of the upper receiver...HKP-21272$129.95 -
Out Of Stock
PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24
PTR
$214.95PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...HKP-18435$214.95 -
PTR Tactical Handguard "U" Shaped Bracket Screw
PTR
$1.95PTR Tactical Handguard "U" Shaped Bracket Screw Replacement screw for the "U" shaped hangar on the tactical handguard. There are a total of 3 screws used, they are all the same for the MP5k, MP5, HK93 & HK91 tactical handguards. Great spare to have...HKP-17318$1.95 -
RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$239.95RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded Each barrel is finely and painstakingly made from ordnance grade steel, heat treated, with a nitrided finish inside and out. This is the finest replacement barrel available for the HK...HKP-17746$239.95 -
RCM HK VP40 .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$239.95RCM HK VP40 .40 S&W To .357 SIG Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest barrel for the HK VP40...HKP-17373$239.95 -
Out Of Stock
Surefire HK MR556/416 3-Prong Flash Hider - Threaded 1/2x28
Surefire
$174.95Surefire HK MR556/416 3-Prong Flash Hider - Threaded 1/2x28 The flash hider is engineered for M4/M16 and variants with 1/2x28 muzzle threads. Its patent-pending design reduces muzzle flash by over 99% compared to a plain muzzle. Built from US...HKP-17261$174.95 -
B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider
B&T Brugger & Thomet
$99.95B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider B&T muzzle brake/flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP. Swiss made B&T quick detach flash hider for HK UMP .40 and .45ACP...HKP-16890$99.95 -
Comp-Tac HK VP9, HK P30, HK P2000/P2000SK, USPC 9mm/.40 Single Magazine Pouch - PLM
Comp-Tac
$39.95Single Magazine Pouch - PLM - VP9, P2000, USPC The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM attaches to the belt with a...HKP-19866$39.95 -
Comp-Tac HK VP9SK Comp Carry Holster - Right Hand
Comp-Tac
$79.95Comp-Tac HK VP9SK Comp Carry Holster - Right Hand The dual concealment holster, or the "DCH", is the best solution for users who need versatility in their carry methods. This holster offers both IWB (inside-the-waistband) and OWB (outside-the-waistband)...HKP-20072$79.95 -
Sale
Glock 22-Round .40 S&W Magazine - Black
Glock
Now: $29.95Was: $39.95Glock 22-Round .40 S&W Magazine - Black Factory original, drop-free magazines for your Glock handgun. Glock magazines have a hardened steel insert encased in high-tech polymer. This polymer coating protects the magazine and prevents deformation,...HKP-02292Now: $29.95Was: $39.95 -
H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Alloy
H&K Heckler & Koch
$244.95HK 91, G3, PTR Shooter Pack - 36 Pack of 20 Round Alloy Magazines Compatible With: HK G3 HK91 PTR Century Arms C308 SAR8, CETME Custom HK .308 clones or custom buildsHKP-16905$244.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight Drum
H&K Heckler & Koch
$9.95HK German Rear Sight Drum .308/7.62 - New Compatible With: HK G3, 91, PTR91, PTR32 HK .308/7.62 models or clones Other HK 308 clones & variantsHKP-01660$9.95 -
H&K HK .40 O-ring for Barrel - Black
H&K Heckler & Koch
$4.95New HK German Black .40 Cal Barrel O-ring For All .40 Caliber HK barrels This factory part is a high wear and replacement item as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup and increased accuracy...HKP-02126$4.95 -
H&K HK MR556/MR762 Front Lower Receiver Locking Pin
H&K Heckler & Koch
$59.95HK MR556 Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and improve...HKP-02663$59.95 -
H&K HK Rubber Extractor Plug
H&K Heckler & Koch
$5.95HK Rubber Extractor Plug This part is the rubber buffer found on the inside of the extractor spring to help keep positive tension on the extractor. It's a must-have repair and replacement item.HKP-01849$5.95 -
H&K HK VP9/VP9SK, VP40 Trigger Stop Bolt
H&K Heckler & Koch
$11.95H&K HK VP9/VP9SK, VP40 Trigger Stop Bolt Stop Bolt for Trigger VP9, VP40. Compatible With: HK VP9 HK VP9SK HK VP40HKP-16784$11.95 -
H&K USP 9mm Standard Threaded Barrel- Threaded 13.5x1 LH
H&K Heckler & Koch
$320.95H&K USP 9mm Standard Threaded Barrel - Threaded 13.5x1 LH This Heckler & Koch factory threaded barrel is a drop-in replacement for USP 9mm SD models. It can also be used on standard USP 9mm full-size models, but the O-ring should be removed for...HKP-17809$320.95 -
HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer
Michaels Machines
$429.95US G3, 91, PTR-91 Or Clone Club Foot Stock U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, 91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced heavy buffer has been...HKP-20068$429.95 -
HKP MP5, MP5K Scope Tab - Weldment
HKP HK Parts
$9.95MP5, MP5K Sight Tab- Weldment New HK MP5, MP5K 17-4 Stainless H900 rear sight tab. The most correct & finest MP5, MP5K rear sight base available. If you want your build to look as factory correct as possible then this sight base is an absolute must...HKP-17503$9.95 -
HKP MP5K SEF 5-Position Telscoping Stock - PDWC
HKP HK Parts
$499.95HKP MP5K 9mm 5 Position Telscoping Stock - PDWC The stock rails collapse along the top ridge of the grip frame for the lowest profile stock ever produced for the MP5 family of firearms. Made in the USA. Includes: 5-position stainless steel nitrided...HKP-17825$499.95 -
RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$264.95RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel counts as 1 US-compliant part as a bonus. These are...HKP-01136$264.95 -
RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH
RCM
$259.95RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH 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-16708$259.95 -
SB Tactical - B&T - HK MP5 Swiss Folding Brace - Skeletonized
SB Tactical, B&T Brugger & Thomet
$299.95B&T MP5, SP5 Folding Brace - Swiss/USA - Skeletonized Factory Swiss B&T MP5, SP5 folding pistol brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling...HKP-21052$299.95 -
Sale
Walther 20 Round UZI .22 Magazine Spring
Walther
Now: $1.95Was: $3.95Walther 20 Round UZI .22 Magazine Spring Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New fresh...HKP-15592Now: $1.95Was: $3.95 -
GSG9 HK G36, HK G36K Folding Stock - Black
GSG9
$115.00HK G36 Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock choose the G36C length stock. Each stock comes complete with...HKP-18219$115.00 -
H&K 17 Round HK VP9 Magazine Floor Plate
H&K Heckler & Koch
$8.95Rubberized Floor Plate - 17 Round Magazine - HK VP9 HK German rubberized factory floor plate. This was made to be used specifically for the New VP9 17 Round Magazine.HKP-19321$8.95 -
H&K 416 Ambi Sling Loop
H&K Heckler & Koch
$154.95H&K 416 Ambi Sling Loop Ambidextrous sling loop for a quick and easy carrying option. compatible with any sling that attaches via a sling hook. Intended for the HK 416 format but is compatible with any picatinny rail. PLEASE NOTE SLING IS NOT...HKP-20341$154.95 -
H&K HK 416 Enhanced Firing Pin/Retaining Pin
H&K Heckler & Koch
$19.95HK 416 Firing Pin Retaining Pin- New Style This part is the newer style pin that is goldish, super hardened, and much less prone to wear and tear. The enhanced version is the most robust, easiest-to-use pin available. Compatible With: HK 416 AR15, M4...HKP-02658$19.95 -
H&K HK MR556/416 Handguard Rail System Screw
H&K Heckler & Koch
$29.95HK MR556 & HK 416 Handguard Rail System Screw This is the hex head version for any metric Allen hex head that can be utilized to tighten and release the screw pressure. This can also be used to replace the rail screw on...HKP-02717$29.95 -
H&K HK USP .45 ACP Complete Slide
H&K Heckler & Koch
$499.95H&K HK USP .45 ACP Complete Slide HK factory date coded, un-serialized & German manufactured. These slides are and hard to find. Includes: Complete Slide Front & rear sights Firing pin Firing pin block Firing pin block spring 2 X 3 X 14mm...HKP-16723$499.95 -
H&K HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate
H&K Heckler & Koch
$6.95HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate Compatible With: HK USP 9mm HK USP .40HKP-02165$6.95 -
H&K Soft Case 42" Single Rifle Case - Black
H&K Heckler & Koch
$129.95H&K Soft Case 42" Single Rifle Case - Black Protects 42" rifles and shorter with dense padding and durable water resistant PET shell material. Velcro wraparound handle to combine carrying handles. Large zippered storage compartment. Compatible...HKP-20228$129.95 -
H&K UMP (9mm) 30 Round Magazine
H&K Heckler & Koch
$89.95HK German UMP 9mm 30 Round Factory Magazine The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP/USC buildsHKP-00608$89.95 -
Out Of Stock
HK VP9SK 9mm Fluted Barrel - Threaded 1/2x28
USA
$229.95HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished inside and out with a highly desirable nitride coating. The barrel features an aesthetically pleasing fluted design...HKP-18419$229.95 -
HKP HK MP5 Cocking Handle - OD Green - HK Parts
HKP HK Parts
$34.95HKP HK MP5 Cocking Handle - OD Green - HK Parts New USA made charging handle ideal for a 922 replacement part. Compatible With HK MP5 9mm weapon systems including: MP5, 94, MP5SD MP5K, SP89, SP5K Zenith 9mm firearms, POF Other MP5 clones or custom HK...HKP-20691$34.95 -
HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH
HKP HK Parts
$19.95HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must have item to protect your threaded barrels & exposed...HKP-19514$19.95 -
HKP MP5K/SP89/SP5K 9mm AR Stock Adapter - QD
HKP HK Parts
$114.95HK MP5K, SP89 Style AR, M4 Stock & Brace Adapter With QD Sling Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct...HKP-18796$114.95 -
Sale
HKP/H&K VP9 Tactical 9mm Micro Comp - Threaded 1/2x28
HKP HK Parts
Now: $39.95Was: $49.95HKP/H&K VP9 Tactical 9mm Micro Comp - Threaded 1/2x28 Enhance your HK P30, P30L, VP9 or VP9 Tactical 9mm with this precision-engineered Micro Compensator. Threaded 1/2x28, this micro comp is designed to reduce recoil and muzzle rise,...HKP-18029Now: $39.95Was: $49.95