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 UMP (.40 S&W) 30 Round Magazine Spring
H&K Heckler & Koch
$8.95HK UMP .40 30 Round Magazine Spring Perfect for spares and to have on hand as these are consumable high-wear items. Compatible With: HK UMP .40HKP-02742$8.95 -
H&K VP9, VP40 Grip Panel Left Side - Large - Black
H&K Heckler & Koch
$9.95H&K VP9, VP40 Grip Panel Left Side - Large - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40HKP-16808$9.95 -
HK G36, HK SL8 Magazine Paddle Release
USA
$17.95HK G36 & SL8 Magazine Paddle Release HK G36 Mag Release or mag catch. Compatible With: HK SL8 HK G36 HK G36K HK G36CHKP-18222$17.95 -
HK G36/SL8 Dual Optic Replacement Battery
$14.95HK G36 & SL8 Dual Optic Replacement Lithium Battery The proper battery with the proper voltage for all HK dual optic units. Please Note: Standard AA batteries WILL NOT work. You need this specialized battery for the optic to function...HKP-00009$14.95 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) QD Sling Pin for Stock Block B
HKP HK Parts
$74.95Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop - Style Pin in your Stock Block B for use of a QD Sling.HKP-18776$74.95 -
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 -
Out Of Stock
HKP MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug
HKP HK Parts
$179.95HKP MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug High quality, US-made MP5-N barrel. Built to last and finished in resilient nitride. Precision milled to the latest specs with the factory correct and updated 16 flutes in the chamber. Three lug &...HKP-17926$179.95 -
Lazy Wolf VP C1 Curved Series Trigger - Red
Lazy Wolf
$134.95Lazy Wolf VP C1 Curved Series 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 best trigger ever developed after more than a year of...HKP-19152$134.95 -
RCM HK 93/53/33 (5.56/.223) Extractor
RCM
$24.95RCM HK 93/53/33 (5.56/.223) Extractor New US-made HK RCM HK 93, HK 33, HK 53 .223/5.56 Extractor. Each unit is made with an enhanced material and polished for optimum feeding and extraction. This is simply the finest HK93,33,53 extractor available. A...HKP-14962$24.95 -
Out Of Stock
RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH
RCM
$225.00RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH 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 P30L 9mm pistol...HKP-20496$225.00 -
Solar Tactical PTR 91 Navy Style Kydex Grip Wrap - Black
Solar Tactical
$59.95Solar Tactical PTR 91 Navy Style Kydex 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...HKP-18897$59.95 -
Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red
Strike Industries
$25.95Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...HKP-19188$25.95 -
Timney HK MP5 9mm 2-Stage Trigger Complete
Timney Triggers
$569.95Timney HK MP5 9mm 2-Stage Trigger Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...HK-20511-M$569.95 -
On Sale
TPM .30 Titanium Full Port Muzzle Brake - Threaded 5/8x24
Tactical Precision MFG
Now: $64.95Was: $89.99TPM .30 Titanium Full Port Muzzle Brake - Threaded 5/8x24 This lightweight titanium muzzle brake is designed by a master gunsmith and is one of the best on the market. The spiral port outlets along with the parabolic internal taper significantly reduces...HKP-20774Now: $64.95Was: $89.99 -
On Sale
1SHOT Systems HK VP9, HK P30L Dynamic Pistol Brace - Black - BLEMISHED
1SHOT Systems
Now: $99.95Was: $199.951SHOT Systems HK VP9, HK P30L Dynamic Pistol Brace - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The 1SHOT is a dynamic pistol rest that...HKP-20525-BL-BNow: $99.95Was: $199.95 -
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 -
Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...HKP-21102$87.95 -
Ergo Tactical Grip For MR556/MR762-Black
Ergo
$54.95Ergo Grip PSG1 Style Grip For MR556 & MR762 Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15, M16 and MR...HKP-17131$54.95 -
GSG9 HK G36/UMP/SL8/USC Hammer
GSG9
$124.95G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.HKP-19852$124.95 -
H&K 10 Round HK 91, G3, PTR .308 Magazine - Used
H&K Heckler & Koch
$64.95H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...HKP-19887$64.95 -
H&K 12 Round HK Mark 23 Magazine Spring
H&K Heckler & Koch
$9.95HK German Mark 23 Magazine Spring - 12 Round A must have repair and replacement spring for your HK Mark 23 Socom Mags. Compatible With: HK Mark 23 12 round magazinesHKP-01427$9.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) E Clip For Carry Handle
H&K Heckler & Koch
$7.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.HKP-00579$7.95 -
H&K 30 Round HK MR556/K416 Magazine Spring
H&K Heckler & Koch
$12.95HK German HK MR556 & HK 416 Magazine SpringHKP-13483$12.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus
H&K Heckler & Koch
$25.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready...HKP-16270$25.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - OD Green - Surplus Used Olive Drab green German surplus stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...HKP-18932$129.95 -
H&K G36/UMP (.40 S&W/.45 ACP/9mm/5.56/.223) F/A Hammer
H&K Heckler & Koch
$49.95G36 & HK UMP Hammer For Lower Or Trigger GroupHKP-02308$49.95 -
H&K HK 45/45C V3 Left Side Decock Only Lever
H&K Heckler & Koch
$59.99Decock Lever ONLY For Left Side Of Frame - HK45, HK45C This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame with the decock function only. Compatible With: HK45, HK45...HKP-02706$59.99 -
H&K HK MR556/416 E1 Charging Handle - RAL 8000
H&K Heckler & Koch
$169.99New RAL 8000 HK Designed HK416, MR556 Ambidextrous Charging Handle (E1). The E1 HK 416 FDE charging handle release latch has the ability of being swapped from the left side (E1) to the right sight (E2) with simple tools. HK's own design boasts a smooth...HKP-18502$169.99 -
H&K HK MR556/MR762/416/417 Bolt Catch Spring
H&K Heckler & Koch
$5.99HK 416, MR556, MR762, HK 417 Bolt Catch Spring Compatible With: HK MR556 HK 416 MR 762 HK 417HKP-16661$5.99 -
H&K HK MR762/417 Slim Line Stock - RAL 8K
H&K Heckler & Koch
$199.99HK MR762, HK 417 Slim Line Retractable Stock - RAL 8000 New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. HK Tan RAL 8000 in color. Compatible...HKP-17136$199.99 -
H&K HK P2000/USPC New Style Firing Pin
H&K Heckler & Koch
$74.95HK P2000/USPC New Style Firing Pin Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK P2000 9mm HK P2000 40 S&W HK P2000 357 SIG HK P2000SK 9mm HK P2000SK 40 S&W HK P2000SK 357 SIGHKP-01563$74.95 -
H&K HK USP Recoil Spring Washer Retainer
H&K Heckler & Koch
$7.95H&K HK USP Recoil Spring Washer Retainer This is the tapered washer that supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical Models HK Elite, Expert,...HKP-17060$7.95 -
On Sale
H&K MP5/MP5K & SP5/SP5K 100 Degree Locking Piece - BLEMISHED
H&K Heckler & Koch
Now: $49.95Was: $89.95H&K MP5/MP5K & SP5/SP5K 100 Degree Locking Piece - BLEMISHED THESE LOCKING PIECES ARE GENUINE UNITS HK THAT WERE MODIFIED TO FUNCTION IN SINGLE-SHOT CONVERTED MP5 PLATFORM FIREARMS. THE MODIFICATION WILL NOT EFFECT THE OPERATION WHEN USED...HKP-00134-BNow: $49.95Was: $89.95 -
H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring
H&K Heckler & Koch
$6.95H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable to the detent to lock into...HKP-17873$6.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Locking Pin
H&K Heckler & Koch
$36.95HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.HKP-00595$36.95 -
HK 416/417 Buffer Retainer
HK HAUS
$9.95HK 416/417 Buffer Retainer New HK USA manufacture for the HK 416 / 417 family of firearms. Made from stainless steel.HKP-20040$9.95 -
HK G36 Backplate w/ Recoil Buffer
USA
$44.95HK G36 Backplate With Recoil Buffer New G36 Backplate with new G36/SL8 recoil buffer. This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix...HKP-18538$44.95 -
HK PARTS, H&K 27 Round HK VP9, HK P30 9mm Magazine Complete - Red
HK Parts, Heckler & Koch
$99.9527 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +10 alloy magazine extension coupled with an HK 17 round factory German magazine adds 10 additional rounds total for a fully assembled 27 round HK VP9/P30 magazine. Ideal for...HKP-19840$99.95 -
Out Of Stock
HKP HK 416C 9" Complete Upper Receiver Assembly
HKP HK Parts
$2,799.95HK416C Complete Upper Kit - 9" After years trying to get these back in. We finally bring you a rare unicorn of a find. With our complete 416c upper kit all that would be needed to complete this kit would be a mil-spec lower or a STS 416c lower...HKP-21042$2,799.95 -
HKP MP5 AR Stock, Brace Adapter - QD
HKP HK Parts
$159.95HK MP5, HK93 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-18788$159.95