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 SL8 Windage Adjustment Spring
H&K Heckler & Koch
$4.95HK SL8 Windage Adjustment Compression SpringHKP-16400$4.95 -
H&K HK SL8, HK G36 Magazine Release Spring
H&K Heckler & Koch
$9.95HK German G36 & SL8 Magazine Release Spring A must have spare part. Compatible With: G36 SL8HKP-16344$9.95 -
Out Of Stock
$8.95 -
Out Of Stock
H&K HK SL8-1 Complete Locking Lever
H&K Heckler & Koch
$0.00H&K HK SL8-1 Complete Locking LeverHKP-16375$0.00 -
$9.95 -
H&K HK SL8-1 Incomplete Front Sight Holder
H&K Heckler & Koch
$34.95H&K HK SL8-1 Incomplete Front Sight HolderHKP-16358$34.95 -
Out Of Stock
$0.00 -
$89.99 -
H&K HK UMP .45 Conversion Kit
$1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...HKP-20623$1,099.95 -
Out Of Stock
H&K HK UMP Demilled Extended Rear Receiver Section
H&K Heckler & Koch
$0.00HK German Factory UMPÂ Receiver Section - ExtendedThis is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do the USC/UMP conversion. Just in only...HKP-19798$0.00 -
H&K HK USC 45 Barrel - Used
H&K Heckler & Koch
$695.95Barrel - HK USC 45 in Exc + shape HK German factory USC 45 barrel in excellent + condition. Rare and hard to find.HKP-20471$695.95 -
Out Of Stock
H&K HK USC, UMP German Polymer Receiver Optic Rail
H&K Heckler & Koch
$0.00H&K HK USC, UMP German Polymer Receiver Optic Rail German HK USC, UMP polymer top Receiver Rail with mounting hardware. Includes: Factory HK rail 2 mounting screws Compatible With: HK German spec UMP USC upper receiversHKP-19616$0.00 -
Out Of Stock
H&K HK USP .45 ACP Barrel - Match - Black
H&K Heckler & Koch
$0.00H&K HK USP .45 ACP Barrel - Match - Black The real deal factory HK Match barrel. This barrel will fit all HK USP .45 full size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical this is a great option for an extended length or...HKP-17508$0.00 -
H&K HK USP .45 ACP Recoil Rod
H&K Heckler & Koch
$29.95H&K HK USP .45 ACP Recoil Rod Factory German HK correct Recoil Rod for the HK USP 45 Full Size pistol. Compatible With: HK USP 45 Full Size PistolHKP-16998$29.95 -
H&K HK USP Buffer Spring Retainer
H&K Heckler & Koch
$6.95H&K HK USP Buffer Spring Retainer Compatible With: HK USP 45 HK USP 40 HK USP 9mmHKP-16232$6.95 -
Out Of Stock
H&K HK USP New Style Hammer Strut
H&K Heckler & Koch
$0.00HK USP New Style Hammer Strut Compatible With: HK USP 9mm Full Size HK USP 40 S&W Full SizeHKP-01661$0.00 -
H&K HK USP Old Style Catch
H&K Heckler & Koch
$39.95HK USP Old Style Catch Compatible With: HK USP 9mm HK USP 40HKP-01932$39.95 -
H&K HK USP Old Style Firing Pin Block
H&K Heckler & Koch
$32.95HK USP Old Style Firing Pin Block Compatible With: HK USP 45 HK USP 40HKP-01927$32.95 -
H&K HK USP Old Style Incomplete Hammer
H&K Heckler & Koch
$59.95HK USP Full Size Incomplete Hammer - Variant 1-4, 9, & 10 This hammer is the same as the complete hammer, only missing the small parts in the hammer. All metal and no rubber, as found on early USP models. Compatible With: HK USP 9mm HK USP 40...HKP-01631$59.95 -
Out Of Stock
H&K HK USP Rear Sight
H&K Heckler & Koch
$0.00HK USP Rear Sight Fits all full size USP & USP tactical firearms. Compatible With: HK USP 9mm HK USP .40 Cal HK USP .45 Cal All USP tactical firearmsHKP-01622$0.00 -
H&K HK USP Series Front Sight 6.2mm
H&K Heckler & Koch
$19.95HK USP Series Front Sight 6.2mm Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP Also Compatible With HK Full Size USP Models For Particular Sighting Options: HK USP .45 HK USP .40 HK USP...HKP-02255$19.95 -
H&K HK USP Series Front Sight 7.0mm
H&K Heckler & Koch
$22.95HK USP Front Sight 7.00mm 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 LEMHKP-01624$22.95 -
Out Of Stock
H&K HK USP Series Old Style Catch
H&K Heckler & Koch
$29.95H&K HK USP Series Old Style Catch Compatible With: HK USP 9mm HK USP 40 HK USP 45 HK USP Compact 9mm HK USP Compact 40 HK USP Compact 357 HK USP Compact 45 HK USP Compact LEMHKP-01176$29.95 -
Out Of Stock
H&K HK USP V5/6/7 Incomplete Bobbed Hammer
H&K Heckler & Koch
$0.00HK USP Bobbed Hammer - Variants 5, 6, & 7 This is an incomplete hammer. That means no springs or pins are included with this item. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACPHKP-01626$0.00 -
H&K HK USP/Tactical .45 ACP Lockout Device Set
H&K Heckler & Koch
$39.95HK USP/Tactical .45 ACP Lockout Device Set Compatible With: HK USP .45 USP .45 Tactical full size modelsHKP-01503$39.95 -
Out Of Stock
H&K HK USPC .357 SIG Barrel
H&K Heckler & Koch
$0.00HK USP Compact .357 SIG Barrel This barrel is a direct replacement part for all HK USPC .40 or .357 or if you want to convert your .40 USPC to a .357. It comes 3.58" in overall length.HKP-01902$0.00 -
Out Of Stock
H&K HK USPC 9mm 13 Round Magazine Floor Plate w/ Pinky Rest
H&K Heckler & Koch
$0.00New HK German Magazine Floorplate With Finger Rest Compatible With: HK USP Compact 9mm 13-round magazine HK P2000 9mm 13-round magazineHKP-00969$0.00 -
Out Of Stock
H&K HK USPC Original Style Firing Pin
H&K Heckler & Koch
$0.00HK USP Compact Firing Pin - Original Style Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEMHKP-01286$0.00 -
H&K HK USPC Slide Release Lever
H&K Heckler & Koch
$64.95HK USPC Slide Release Lever New HK German factory part. Compatible With: HK USP Compact 9mm HK USP Compact .357 HK USP Compact .40 HK USP Compact .45 HK USP Compact Tactical ModelsHKP-02252$64.95 -
Out Of Stock
H&K HK USPC V3 Control Lever
H&K Heckler & Koch
$0.00HK USPC V3 Control Lever Compatible With: HK USP Compact 9mm HK USP Compact 357 SIG HK USP Compact 40 S&W HK USP Compact 45 ACPHKP-01436$0.00 -
Out Of Stock
H&K HK USPC/P2000 9mm/.40 S&W Titanium Firing Pin
HKP HK Parts
$49.95Latest generation current design USPC/P2000/P2000SK Titanium firing pin. A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing...HKP-17810$49.95 -
H&K HK VP/P30/45 Front Sight 5.9mm - Green
H&K Heckler & Koch
$49.95HK VP, P30, & 45 Front Sight 5.9mm - Green Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-02370$49.95 -
H&K HK VP/P30/45 Front Sight 5.9mm - Red
H&K Heckler & Koch
$54.95Red Phosphorescent Front Sight - 5.9mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18829$54.95 -
H&K HK VP40 Barrel - Black
H&K Heckler & Koch
$229.95Brand New HK German Standard Length VP40 Barrel. Cold Hammer Forged & Make in Germany. Compatible With: HK VP40 VP40 Tactical ModelsHKP-18722$229.95 -
Out Of Stock
H&K HK VP9 to HK VP9 Long Slide Conversion Kit - Black
H&K Heckler & Koch
$0.00H&K HK VP9 to HK VP9 Long Slide Conversion Kit - Black Compatible With: HK VP9 Features: Slide assembly with rear serrations, charging supports, and forward serrations / lightening cuts O-ring enhanced barrel, optimized and fit for...HKP-19040$0.00 -
H&K HK VP9, HK VP40 Back Strap - Small - Gray
H&K Heckler & Koch
$19.95H&K HK VP9, HK VP40 Back Strap - Small - GrayHKP-18125$19.95 -
H&K HK VP9, HK VP40 Grip Panel Left Side - Small - Gray
H&K Heckler & Koch
$24.95Grip Panel, Left Side- Small HK VP9, VP40 - Grey New HK German manufactured. Left side, small size. Perfect for spare or for custom stippling projects . Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18121$24.95 -
H&K HK VP9, HK VP40 Grip Panel Right Side - Small - Gray
H&K Heckler & Koch
$24.95H&K HK VP9, HK VP40 Grip Panel Right Side - Small - Gray New HK German manufactured. Right side, small size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-18123$24.95 -
Out Of Stock
H&K HK VP9, HK VP40 Left Side Grip Panel - Large - OD Green
H&K Heckler & Koch
$24.99H&K HK VP9, HK VP40 Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side size large. Perfect for spare or for custom stippling projects. Drop-in part for rour HK VP Pistol. Compatible With: HK VP9 HK VP40HKP-19174$24.99 -
H&K HK VP9, HK VP40 Locking Block Guide
H&K Heckler & Koch
$119.95H&K HK VP9, HK VP40 Locking Block Guide Locking Block Guide complete- welded for frame on all HK VP9, VP40. Compatible With: HK VP9 HK VP40HKP-16789$119.95