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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Out Of Stock
HK UMP (9mm) Extractor
USA
$39.95New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion. Please Note: HK considers this a high wear and replacement item. Once it's removed from the carrier, the spring tension...HKP-02625$39.95 -
HKP Extended Harris Bipod Adapter - Picatinny
HKP HK Parts
$19.95HKP Extended Harris Bipod Adapter Universal Picatinny rail Harris bipod adapterHKP-15374$19.95 -
HKP HK USP .45/Mark 23 Magazine Extension Kit +7
HKP HK Parts
$59.95HKP HK USP .45/MK23 - Magazine Extension Kit +7 HKP highly recommends using a magazine loader when loading ammunition into our extended magazines due to increased spring tension versus factory. Includes: +7 magazine extension Extra power enhanced...HKP-21513-M$59.95 -
HKP HK 416 .22 LR Flash Hider - Birdcage Style
HKP HK Parts
$39.95HKP HK 416 .22 LR Flash Hider - A5 Birdcage Style Upgrade your 416 .22 pistol with a direct mount on flash hider featuring a sleek A5 birdcage style for a truly custom look. Built to last with the highest quality and nitride finish. Compatible With: HK...HKP-21577$39.95 -
Out Of StockOn Sale
HKP HK MP5 .22LR Brace Adapter - BLEMISHED
HKP HK Parts
Now: $72.95Was: $99.95HKP HK MP5 .22LR Brace 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. Expertly crafted from a solid billet of CNC machined aircraft grade...HKP-21543-BNow: $72.95Was: $99.95 -
HKP HK MP5, 93, 33 Brace Adapter w/ QD - Red
HKP HK Parts
$124.99HK MP5, HK93 Style AR, M4 Stock & Brace Adapter With QD Sling Attachment Point - Red 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...HKP-19786$124.99 -
HKP HK MP5K Tactical Tri-Rail - Red
HKP HK Parts
$89.95Tactical Tri-Rail - Red Our new modular tactical forearm comes with 3 rails on the left, right and bottom. That are removable and adjustable for you own taste and mission requirements. Each modular handguard will fit all MP5K, SP89 and other K...HKP-19511$89.95 -
Out Of Stock
HKP HK MR556/416 Rear Sight Drum 10" Barrel Length
HKP HK Parts
$29.95HKP HK MR556/416 Rear Sight Drum 10" Barrel Length Made in the USA.HKP-17774$29.95 -
HKP HK USC, HK UMP Cocking Handle Assembly
HKP HK Parts
$149.95HKP HK USC, HK UMP Cocking Handle Assembly Includes: Steel cocking handle Support spring Cocking lever support Set screwHKP-19155$149.95 -
Out Of Stock
HKP HK USP New Style Titanium Firing Pin
HKP HK Parts
$49.95HKP HK USP New Style 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 accuracy. Titanium pins also carry...HKP-17826$49.95 -
HKP HK VP9L Railok™ Threaded Barrel Compensator
HKP HK Parts
$189.95HK Parts Railok™ Mounting System Threaded Barrel Compensator: H&K VP9L The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip...HKP-21263$189.95 -
HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger
$2,199.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a...HKP-20523$2,199.95 -
HKP V51 Backplate
HKP HK Parts
$167.95HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...HKP-21201$167.95 -
Lee Sporting, Magpul HK MP5K Complete Trigger Group Flat Trigger
Lee Sporting, Magpul
$549.95Lee Sporting, Magpul HK MP5K Complete Trigger Group Flat Trigger Upgrade your firearm with this ergonomic replacement for the OEM grip. This trigger group is 4.3 oz lighter than the OEM version, featuring a housing made from MJF PA11 Nylon for enhanced...HKP-20484$549.95 -
On Sale
Magpul AR-15 CTR 6 Position Stock - Mil-Spec
Magpul
Now: $54.95Was: $79.95Magpul AR-15 CTR 6 Position Stock The Magpul CTR (Compact/Type Restricted) Mil-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. The extra-power lock mechanism uses a premium...HKP-01031Now: $54.95Was: $79.95 -
Meprolight HK P2000/P2000SK Tru-Dot Rear Night Sight - Green
Meprolight
$64.95Meprolight HK P2000/P2000SK Tru-Dot Rear Night Sight - Green Features: Unequaled low light performance Brightest night sights available today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12 years usable illumination...HKP-16594$64.95 -
Meprolight HK USP Tru-Dot Rear Night Sight - Green
Meprolight
$69.95Meprolight HK USP Tru-Dot Rear Night Sight - Green Features: Unequaled low light performance Brightest night sights available today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12 years usable illumination warranty to...HKP-16592$69.95 -
Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete
Michaels Machines
$749.95Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete MM’s UMP Tungsten filled UMP .45 bolt carrier complete. Heat treated, parkarized and polished for the best look and function possible, as an added bonus it now includes German HK...HKP-20627$749.95 -
Out Of Stock
MM HK PSG1/MSG90/91/G3 (7.62x51/.308) T-Rail Reinforcement Set For Receiver
Michaels Machines
$299.95HK Receiver Reinforcement T-Rail Set For Left and Right Sides T-rails are used to strengthen HK receivers or for custom builds. These are the finest T-rails available on the market. Made from enhanced steel and perfect for that custom HK project...HKP-00236$299.95 -
On Sale
Navy Style - SEF - Match Trigger Group - HK SP5
H&K Heckler & Koch
Now: $599.95Was: $679.95Navy Style - SEF - Match Trigger Group - HK SP5 Ready to drop in your SP5 spec 9mm receiver. Great replacement for the 2 position trigger group. With the match trigger pack installed, the trigger slack take up is eliminated and travel is reduced. The...HKP-20665Now: $599.95Was: $679.95 -
On Sale
Odin Hoslters HK VP40 RH Appendix IWB Holster
Odin Holsters
Now: $49.95Was: $79.95Appendix Holster - IWB - Right Hand - HK VP40 This is an inside the waistband holster. Each holster is made by hand and is made for use with the HK VP40. Custom molded using a vacuum former for perfect fit and adjustable retention. Great for long...HKP-19656Now: $49.95Was: $79.95 -
Out Of Stock
PTR HK 91/G3 (7.62x51/.308) Slimline Forearm
PTR
$39.95New Slim Line HK91, G3, PTR Forearm- US Each forearm is a new US made offering made on the original HK tooling acquired by PTR91. Black in color, no internal heat shield. This hand guard also counts as 1 desirable US compliant part for your HK 91, G3...HKP-16251$39.95 -
PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH
PTR
$163.95PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH New US made Barrel by PTR for the HK93,33 style of firearms. Specifications: Made In The USA 922r Compliant Counts as 1 US Made Part Overall length 16.1" 4140 Ordnance Grade Steel Threaded 15x1 RH 1:9...HKP-16458$163.95 -
RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1
RCM
$234.95RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1 New Cold Hammer Forged Steel HK33/93 16.1" barrel, nitrided and US-manufactured. These barrels are among the finest available and come highly recommended by HKParts. Specifications: Made In The...HKP-01052$234.95 -
Out Of Stock
RCM HK MP5 / 416 .22LR Pistol Barrel
RCM
$229.95RCM HK MP5 / 416 .22LR Pistol Barrel This is the first and only offering of a replacement barrel for the HK .22LR platforms. Replacing the barrel previously required sending the receiver to H&K and having the assembly returned to an FFL. ...HKP-21403$229.95 -
RCM HK P2000 .40 S&W Tactical Barrel - Threaded 9/16x24 RH
RCM
$225.00RCM HK P2000 .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 .40 S&W tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel available...HKP-16709$225.00 -
RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH
RCM
$225.00RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 SK tactical 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...HKP-16943$225.00 -
RCM HK33K (5.56/.223) Barrel - Threaded 15x1
RCM
$234.95RCM HK33K (5.56/.223) Barrel - Threaded 15x1 Enhance your HK33K with the RCM 12.7" barrel, crafted from cold hammer-forged steel. The nitride finish provides exceptional corrosion and wear resistance, and the fully fluted chamber meets stringent HK...HKP-02319$234.95 -
RCM MP5 40/10 Extractor
RCM
$34.95MP5 40 & 10mm Extractor - US Made This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.HKP-01969$34.95 -
On Sale
Sig Sauer ROMEO1PRO 3MOA Dot
Sig Sauer
Now: $299.95Was: $349.95Sig Sauer ROMEO1PRO 3MOA Dot The ROMEO1PRO brings a new level of durability and performance to the miniature open-reflex red dot sight. Its aircraft grade aluminum housing ensures corrosion resistance under the harshest environments, and a new...HKP-19718Now: $299.95Was: $349.95 -
Strike Industries HK MP5 Drop-In MOD2 Stock
Strike Industries
$199.95Strike Industries HK MP5 Drop-In MOD2 Stock We pair our MP5 AR Stock adapter with this Strike MOD2 stock to give you a drop-in MP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock. Only available here at HK...HKP-21331-M$199.95 -
Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH
Surefire
$95.00Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH The SureFire PROCOMP muzzle brake is designed for AR10/LR308 rifles and variants with 5/8x24 muzzle threads. It significantly reduces recoil impulse and features neutral porting...HKP-19486$95.00 -
Talon Grip HK P30 Granulate - Small - Black
Talon Grip
$19.99TALON Grip - H&K P30 - Granulate Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20255$19.99 -
Talon Grip HK VP9SK Granulate - Medium - Black
Talon Grip
$19.99TALON Grip - H&K VP9SK - Granulate Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20234$19.99 -
TBR HK MR762 Operator Brass Catcher - FDE
TBR Tactical Brass Recovery
$229.95TBR HK MR762 Operator Brass Catcher - FDE Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of...HKP-19150$229.95 -
Timney Triggers HK MP5 .40/10 2-Stage Trigger Group Complete
Timney Triggers
$639.95Timney Trigger group for MP5 .40 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...HKP-20514$639.95 -
On Sale
TPM Fluted Bolt Knob – Bronze
Tactical Precision MFG
Now: $28.50Was: $37.99TPM Fluted Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20906Now: $28.50Was: $37.99 -
On Sale
TPM Sig P320 +3 Magazine Extension
Tactical Precision MFG
Now: $24.95Was: $44.95TPM Sig P320 +3 Magazine Extension This extension is made from machined 6061 aluminum. This magazine extension will increase the capacity, reload speed, mag drops, and overall functionality of your pistol. Available in various colors to customize to your...HKP-21133-MNow: $24.95Was: $44.95 -
Out Of Stock
Trijicon HK P2000/P2000SK HK09 Night Sight Set - Yellow
Trijicon
$159.95Trijicon HK P2000/P2000SK HK09 Night Sight Set - Yellow The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in...HKP-14916$159.95 -
VFC, Umarex HK 416 .22LR 9" Keymod Rail - RAL 8000
VFC/Umarex
$124.95VFC CALIBUR KEYMOD 9" RAIL - TAN The VFC Handguard is an ultra-lightweight Key-Mod rail for the HK416 .22 model. Specifications: Lightweight and modular 6 mm rail Tan 9 inchHKP-19304$124.95