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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H&K HK Mark 23 7.1mm +4 Rear Sight
H&K Heckler & Koch
$44.95HK Mark 23 Rear Sight - 7.1mm 7.1mm - +4mm Each (+) raises the POI by 2", each (-) lowers it by 2". Other Rear Sight heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)HKP-16651$44.95 -
$13.95 -
H&K HK Mark 23 Hammer Strut Spring
H&K Heckler & Koch
$8.95HK Mark 23 Hammer Strut SpringHKP-01581$8.95 -
$19.95 -
H&K HK MR762 Bolt Group Complete DMR
H&K Heckler & Koch
$899.95H&K HK MR762 Bolt Group Complete DMRHKP-16627$899.95 -
H&K HK P2000/P2000SK/45/45C Right Slide Release Lever
H&K Heckler & Koch
$44.99Right Slide Release Lever Compatible With: HK P2000 HK P2000SK HK45 HK45 CompactHKP-01619$44.99 -
H&K HK P30/P30L Left Side Grip Shell - Small - Black
H&K Heckler & Koch
$18.95HK P30 & P30L Left Side Grip Shell - Small - Black Ideal for adjusting the custom grip for your preferred shooting comfort.HKP-01574$18.95 -
H&K HK P30/P30L Right Side Grip Shell - Medium - Black
H&K Heckler & Koch
$24.95HK P30 & P30L Right Side Grip Shell - Medium - BlackHKP-02251$24.95 -
H&K HK P7M13 Magazine Follower - Black
H&K Heckler & Koch
$39.95HK P7M13 Magazine Follower - Black All steel construction, brand new HK German manufacture. Compatible With: HK P7M13 magazinesHKP-02364$39.95 -
H&K HK SL8-1 Countersunk Top Rail Head Screw
H&K Heckler & Koch
$9.95H&K HK SL8-1 Countersunk Top Rail Head ScrewHKP-16347$9.95 -
H&K HK USP 40 Incomplete Slide - Black
H&K Heckler & Koch
$399.95HK USP 40 Cal Slide - Incomplete New German HK USP 40 S&W Slidee Incomplete HK manufactured. Each slide comes stripped but ready to assemble with either existing parts or from new parts offered here at HK Parts. Compatible With: HK USP 40 S&WHKP-17144$399.95 -
H&K HK USP/45/P2000 Sear Axle
H&K Heckler & Koch
$9.95Sear Axle Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP HK USP Compact LEM HK45 HK45 Compact HK P2000 9mm HK P2000 .40 S&W HK P2000 .357...HKP-01251$9.95 -
H&K HK VP/P30/45 Front Sight 6.3mm - Red
H&K Heckler & Koch
$59.95Red Phosphorescent Front Sight - 6.3mm Compatible With: HK VP9, VP9SK & VP40 HK P30, P30L, P30SK HK45 & HK45 CompactHKP-18831$59.95 -
$29.95 -
H&K MP5 9mm Parts Kit 100% German - A2 Stock & FBI Lower
H&K Heckler & Koch
$2,299.95HK German MP5 9mm Used Parts Kit Complete MP5 Parts Kit - 9mm (Minus Receiver) All MP5 Kits: 100% German Parts HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto Two small and one...HKP-01911$2,299.95 -
H&K MP5, 94 Magazine Spring - 15 Round
H&K Heckler & Koch
$8.95HK German MP5, 94, SP89, MP5K 15 Round Magazine Spring Compatible with all 15 Round MP5 and 94 style curved magazines. This is a must-have repair and replacement part, great to have for spares.HKP-00090$8.95 -
H&K MP5, MP5K Front Sight Tower
H&K Heckler & Koch
$169.95H&K MP5, MP5K Front Sight Tower This is the factory-correct part for your HK MP5, MP5K build, not a recycled or incorrect G3/91 triple frame. This is a factory HK German part. Compatible With: MP5, MP5K SP5, SP5K HK94 SP89HKP-00842$169.95 -
H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE
H&K Heckler & Koch
$4,499.00H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE All German HK MP5 Navy parts kit with 3 lug and threaded barrel, Action 3 bolt group, A3 retractable stock, 3 position navy lower, one 30 round curved...HKP-15172$4,499.00 -
H&K MP5F & MP5 40/10 Cocking Handle
H&K Heckler & Koch
$85.99H&K MP5F & MP5 40/10mm Cocking Handle New HK German factory correct cocking handle. Each unit is to be used with the correct 40/10 or F-style cocking handle support and cocking tube. Compatible With: MP5 40 MP5 10mm MP5 .357 MP5 9X25 Dillon MP5...HKP-00098$85.99 -
Out Of Stock
H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin This HK German MP5K FBI style (0,1) trigger housing is designed for push pin type receivers. It is compatible with all HK German ambidextrous trigger packs and...HKP-16057$0.00 -
Out Of Stock
H&K MP5K/SP89/SP5K 9mm Incomplete End Cap
H&K Heckler & Koch
$0.00HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom buildsHKP-18208$0.00 -
Out Of Stock
H&K Scope Mount Ring Set - 1 Inch For 30mm Scope
H&K Heckler & Koch
$89.95H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.HKP-02474$89.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Left
H&K Heckler & Koch
$9.95HK UMP & USC - Left Side Hammer Spring For All Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40, & 9mm. USC .45 and other conversion...HKP-01898$9.95 -
H&K Universal Harris Bipod Adapter
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...HKP-01852$199.95 -
H&K USP .40 Expert 5.19" Barrel - Black
H&K Heckler & Koch
$299.95New HK German Factory USP Expert .40 Barrel This barrel will fit a stock USP .40 full-size pistol but will extend out the front of the slide for those who want to use a Comp Weight? or need a longer barrel for the USP .40 firearm. Made in Germany with a...HKP-01472$299.95 -
H&K USPC 9mm Barrel
H&K Heckler & Koch
$234.95H&K USPC 9mm Barrel Compatible With HK USPC 9mmHKP-01526$234.95 -
H&K VP9, VP40 Grip Panel Left Side - Large - Gray
H&K Heckler & Koch
$24.95H&K VP9, VP40 Grip Panel Left Side - Large - Gray New HK German manufactured. Left side, large size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18174$24.95 -
H&K VP9, VP40 Grip Panel Left Side - Small - OD Green
H&K Heckler & Koch
$24.95H&K VP9, VP40 Grip Panel Left Side - Small - OD Green New HK German manufactured. Left side size small. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18835$24.95 -
H&K VP9/VP9SK, HK VP40 Axle For Drop Safety
H&K Heckler & Koch
$34.95H&K VP9/VP9SK, HK VP40 Axle For Drop SafetyHKP-16837$34.95 -
H&K VP9SK Left Side Grip Panel - Large - Black
H&K Heckler & Koch
$19.95H&K VP9SK Left Side Grip Panel - Large - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18300$19.95 -
H&K VP9SK Left Side Grip Panel - Large - Gray
H&K Heckler & Koch
$19.95H&K VP9SK Left Side Grip Panel - Large - Gray New HK German manufactured. Right side large Size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18955$19.95 -
H&K VP9SK Right Side Grip Panel - Small - OD Green
H&K Heckler & Koch
$24.95H&K VP9SK Right Side Grip Panel - Small - OD Green New HK German manufactured. Right side small Size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18956$24.95 -
H&K VP9SK, VP40SK Backstrap - Large - Black
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Large - Black New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18308$29.95 -
H&K VP9SK, VP40SK Right Side Grip Panel - Large - Black
H&K Heckler & Koch
$19.95H&K VP9SK, VP40SK Right Side Grip Panel - Large - Black New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18301$19.95 -
HK German SEF SEMI .308 Clipped & Pinned Trigger Group
H&K Heckler & Koch
$549.95HK German SEF SEMI .308 Clipped & Pinned Trigger Group The new HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. Compatible With: HK 91 HK G3 C308 PTR-91 HK .308 rifles. SEF Navy Style Trigger Group...HKP-00210-CP$549.95 -
HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block
$149.95HK USC To ACR Stock Adapter A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. This offering is for the stock block and hardware to attach your ACR stock for your HK USC when doing...HKP-17357$149.95 -
HKP (5.56/.223) Bore Cleaning Brush
HKP HK Parts
$1.95Bore Cleaning Brush For .223/556 This item is ideal to have on hand for cleaning the bore of the barrel. This item is highly recommended for cleaning.HKP-03331$1.95 -
HKP 15 Round HK VP9SK, Hk P30SK 9mm Magazine with Finger Rest - Red
$69.95HK VP9SK & P30SK 9mm - 15 Round Magazine with HK Red 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-20567$69.95 -
HKP 25 Round HK USP 9mm Magazine
H&K / HK Parts
$119.95HKP 25 Round HK USP 9mm Magazine HK Parts +10 magazine extension coupled with a 15 round magazine. Each unit is then fully assembled as a 25 round magazine. Ideal for competitive shooters, concealed carry or for everyday use while at the range...HKP-21357$119.95 -
Out Of Stock
HKP 38 Round HK MP5 Magazine
HKP HK Parts
$79.95MP5, MP5K 9mm Curved Magazine - 38 Round - Red Follower New USA manufactured MP5, MP5K - 38 round magazine. These units will come with a red follower installed for a quick and easy visual identification of an empty magazine. As an added bonus each mag...HKP-17394$79.95