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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On Sale
HKP Flat Brim Snapback Hat - OSFM - Black & Red
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - OSFM - Black & Red Get your hands on some of our premium hats! Features: Official HKP merchandise 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM...HKP-20716Now: $13.45Was: $19.95 -
Out Of Stock
HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig
HKP HK Parts
$69.95HKP Front Sight HK Tower, Triple Frame Installation & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...HKP-17586$69.95 -
HKP HK 416 .22 LR A5 Flash Hider
HKP HK Parts
$59.95HKP HK 416 .22 LR A5 Flash Hider Our HK Parts A5 flash hider is a directly mounted upgrade that will enhance the appearance of your 416 .22LR build, perfect for those aiming to achieve an authentic A5 style. It comes with an O-ring for secure attachment,...HKP-21575$59.95 -
Out Of Stock
HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95 -
HKP HK 91/G3 (7.62x51/.308) Ambidextrous Trigger Pack (0,1)
HKP HK Parts
$362.95HKP/H&K G3/91 (7.62x51/.308) 2 Position 0,1 Ambidextrous Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available...HKP-17232$362.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Firing Pin - Titanium
HKP HK Parts
$29.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...HKP-17937$29.95 -
Out Of Stock
HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH
HKP HK Parts
$79.95HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH This fits any threaded 15x1 RH HK barrel. The overall length is 4.37 inches. These are the perfect length of the G3K and HK33K style builds as they will yield...HKP-00501$79.95 -
Out Of Stock
HKP HK MP5 Navy Binary Trigger Group - Engraved - RAL 8K
FA Franklin Armory / HKP
$1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K Coming Soon! 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and greatest Binary trigger group freshly delivered with a factory HK German housing that...HKP-21290-M$1,499.95 -
On Sale
HKP HK MP5 Picatinny Rail Stock Adapter - BLEMISHED
HKP HK Parts
Now: $92.95Was: $134.95HKP HK MP5 Picatinny Rail Stock Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Our rail stock adapter allows you to attach any 1913 Style...HKP-21426-BNow: $92.95Was: $134.95 -
HKP HK MP5, 94, 93/53/33 AR-15 Style Magpul Stock
HKP HK Parts
$197.95HKP HK 93/53/33 (5.56/.223) AR-15 Style Magpul Stock US Manufactured AR15 to HK 93,33,53 series stock assembly with Magpul MOE stock. Each unit comes complete and ready to install on your HK 93,33,53 or HK94, MP5 firearm. Made from aircraft grade...HKP-16271$197.95 -
HKP HK MP7 Dual Magazine Clamp
HKP HK Parts
$49.95HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world. The clamp works with any capacity MP7 magazine. Compatible With: HK MP7HKP-21597-M$49.95 -
Out Of Stock
HKP HK MR556/416 10.4" 5.56 Barrel
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK 416 style upper...HKP-18200$369.95 -
Out Of Stock
HKP HK MR556/416 9" HK416C Style Barrel Conversion Kit
HKP HK Parts
$0.00MR556 & HK416 Barrel Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18401$0.00 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" M-LOK Handguard - Black
HKP HK Parts
$249.95HK MR556 & HK416 Extended DMR 15" Handguard - M-LOK A drop on replacement forearm for the HK MR556 and HK 416. A perfect upgrade for your HK rifle. This rail also provides an additional 6" of rail length for more flexibility and great control.HKP-18019$249.95 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" Quad Rail - Black
HKP HK Parts
$259.95HK MR556 & HK416 DMR Length 15" Quad Rail - ExtendedHKP-18018$259.95 -
HKP HK MR556/416 Extractor Spring Buffer
HKP HK Parts
$5.39HKP HK MR556/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 FirearmsHKP-21604$5.39 -
Out Of Stock
HKP HK MR556/416 Titanium Firing Pin Catch
HKP HK Parts
$49.95HK MR556 & HK416 Firing Pin - TitaniumGrade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK MR556 & HK 416 weapon system. Get the...HKP-17767$49.95 -
Out Of Stock
HKP HK MR556/416 Upper 9" 416C Style Conversion Kit
HKP HK Parts
$899.95MR556 & HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18674$899.95 -
Out Of StockOn Sale
HKP HK P2000 +7 Magazine Extension Kit - BLEMISHED
HKP HK Parts
Now: $44.95Was: $64.99HKP HK P2000 +7 Magazine Extension Kit - Black COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts magazine extension adds 7 additional rounds to the...HKP-21527-BL-BNow: $44.95Was: $64.99 -
Out Of StockOn Sale
HKP HK P30 Series Titanium Firing Pin
HKP HK Parts
Now: $29.95Was: $49.95HKP HK P30 Series Titanium Firing Pin A solid billet CNC offering that's 40% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry...HKP-17828Now: $29.95Was: $49.95 -
Out Of Stock
HKP HK SL8 (5.56/.223) AR15 Mag Well Adapter
HKP HK Parts
$199.95AR15 & M16 Magazine Well Adapter - US Made This unit will replace the G36 mag well and allow the use of AR15 magazines in your SL8 high-capacity conversion. This is a great upgrade for those who want to use easy-to-find AR/M16 mags. Please Note: This...HKP-00800$199.95 -
Out Of Stock
HKP HK UMP (9mm) Semi Auto Bolt
HKP HK Parts
$369.95HK UMP 9mm -Semi-Auto Bolt Group The semi-auto bolt group is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Includes: Extractor Firing pin Retaining Pin Firing pin &...HKP-18752$369.95 -
Out Of Stock
HKP HK UMP (9mm) Standard Barrel
HKP HK Parts
$299.95HK UMP 9mm Barrel US made replica of the HK UMP 9mm barrel. Counts as one US made compliant part as an added bonus.HKP-18640$299.95 -
Out Of Stock
HKP HK UMP .45 ACP Barrel - Threaded 16x1 RH - 3-Lug
HKP HK Parts
$399.95HKP H&K UMP .45 ACP Barrel - Threaded 16x1 RH - 3-Lug New USA made .45 ACP 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16x1 RH and 3-Lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Overall Length...HKP-18511$399.95 -
HKP HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95 -
Out Of Stock
HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28
HKP HK Parts
$679.95HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop in with...HKP-02287$679.95 -
Out Of Stock
HKP HK USC (.45 ACP) Carbine Mag Release - Extended
HKP HK Parts
$24.95HK USC Alloy Mag Release - Extended Billeted alloy USC magazine release. This is a very common repair & replacement part as they are fairly easy to break on the USC lower. With this new metal mag release you get more surface area as well as a much...HKP-17918$24.95 -
Out Of Stock
HKP HK USP Older Style Titanium Firing Pin - Black
HKP HK Parts
$59.95HKP HK USP Older Style Titanium Firing Pin - Black HK stopped making or supporting the older/original style USP firing pin. In an effort, to support all of HK's customers we now offer our "enhanced" titanium firing pin to use in your original USP that...HKP-01287$59.95 -
On Sale
HKP HK VP9 Magwell - Tactical Low Profile - Steel - FDE - BLEMISHED
HKP HK Parts
Now: $54.95Was: $74.95HKP HK VP9 Magwell - Tactical Low Profile - Steel - FDE - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Low profile, every day carry magwell for the...HKP-18545-FDENow: $54.95Was: $74.95 -
On Sale
HKP HK VP9 Optics Plate #10 - Sig Romeo 1 PRO Optic Mount - BLEMISHED
HKP HK Parts
Now: $33.95Was: $49.95HKP HK VP9 Optics Plate #10 - Sig Romeo 1 PRO Optic Mount - 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 finest all steel mounting solution for...HKP-20028-BNow: $33.95Was: $49.95 -
Out Of Stock
HKP HK VP9, HK P30 Magazine Extension Kit +10 - Cerakote Black
HKP HK Parts
$69.95Magazine Extension Kit +10 – Cerakote Black - HK VP9, HK P30 HK Parts magazine extension +10 kit adds 10 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly...HKP-21250$69.95 -
On Sale
HKP HK VP9/VP9SK, VP40 Red Hex Button Quick Detach Slide Plate - Red - BLEMISHED
HKP HK Parts
Now: $24.95Was: $34.95HKP HK VP9/VP9SK, VP40 Red Hex Button Quick Detach Slide Plate - Red - BLEMISHED RED HEX BUTTON. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The...HKP-18108-RE-BNow: $24.95Was: $34.95 -
HKP HK VP9SK Comp Weight™ Compensator w/ Rail Adapter - Black
HKP HK Parts
$184.95Comp Weight™ With Rail Adapter - VP9SK HK Parts VP9SK Comp Weight™/compensator with Rail Adapter Installed is the perfect addition to your HK VP9SK firearm with our low profile, aggressive Comp Weight™ that flows with the lines of the...HKP-18900$184.95 -
HKP HK VP9SK Comp Weight™ Compensator w/ Rail Adapter - Steel
HKP HK Parts
$189.95Comp Weight™ With Rail Adapter - VP9SK - Steel HK Parts VP9SK Comp Weight™/compensator with Rail Adapter Installed is the perfect addition to your HK VP9SK firearm with our low profile, aggressive Comp Weight™ that flows with the lines...HKP-21301$189.95 -
On Sale
HKP HK VP9SK/P30SK +5 Magazine Extension Kit - BLEMISHED
HKP HK Parts
Now: $22.95Was: $34.95HKP HK VP9SK/P30SK +5 Magazine Extension Kit - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts magazine extension kit adds 5 additional rounds...HKP-20566-RE-BNow: $22.95Was: $34.95 -
Out Of Stock
HKP HK21 Drum Hanger
HKP HK Parts
$289.95Click the NOTIFY ME WHEN AVAILABLE to get on the notification list for when these hangers are available to ship (estimated availability by Thanksgiving) HKP HK21 Drum Hanger Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated...HKP-21453$289.95 -
HKP HK33 11" LH Cocking Tube
HKP HK Parts
$99.95HKP HK33 11" Left Hand Cocking Tube This is the one and only left handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".HKP-18892$99.95 -
HKP HK33 Dual Magazine Clamp
HKP HK Parts
$49.95HKP HK33 Dual Magazine Clamp Securely hold two HK33 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular red or classic black. Our dual mag clamp is a must for those quick mag changes. Compatible...HKP-21608-M$49.95 -
On Sale
HKP HK33 Dual Magazine Clamp - Red - BLEMISHED
HKP HK Parts
Now: $32.95Was: $49.95HKP HK33 Dual Magazine Clamp - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Securely hold two HK33 magazines together for fast mag swaps...HKP-21608-RE-BNow: $32.95Was: $49.95 -
HKP HK45 Railok™ Threaded Barrel Compensator
HKP HK Parts
$189.95HK Parts Railok™ Mounting System Threaded Barrel Compensator: H&K HK45 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and...HKP-21440$189.95