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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HKP HK MR762 & HK 417 Rear Sight Drum
HKP HK Parts
$29.95HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.HKP-17776$29.95 -
HKP HK PSG1/93/33 (5.56/.223) MSG90 Style Match Barrel
HKP HK Parts
$499.95HK PSG-1, MSG-90 Style 556,223 HK 93, HK 33 Match Barrel: This is the finest PSG1 barrel you can get for your custom HK93, SG1, PSG1 style build in .556. Built on trusted tooling to HK specifications. Perfect for that custom build or the for the...HKP-17008$499.95 -
HKP HK USP 9mm +10 Magazine Extension
HKP HK Parts
$69.95Magazine Extension - +10 - HK USP 9mm - Black This listing is for the magazine extension ONLY. This is not a complete magazine. The referenced magazine capacity is the total capacity once the extension...HKP-21382$69.95 -
Out Of Stock
HKP HK USPC/45C Titanium Firing Pin
HKP HK Parts
$49.95HKP HK USPC/45C 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 less...HKP-17801$49.95 -
HKP HK VP9 Comp Weight™ Compensator - Quick Detach - Steel
HKP HK Parts
$199.95HKP HK VP9 Comp Weight™ Compensator - Quick Detach - Steel Easy on, easy off - Quick Detach technology The HK Parts VP9, VP40 CompWeight™/ compensator is the world's first quick detach Comp Weight™, compensator. That slides effortlessly...HKP-18154$199.95 -
Sale
HKP HK VP9SK Comp Weight™ Quick Detach Compensator - Brass
HKP HK Parts
Now: $179.95Was: $249.99HK VP9SK - Quick Detach Comp Weight™ / Compensator - Brass LIMITED EDITION! ONLY A SMALL NUMBER MADE The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol...HKP-18186Now: $179.95Was: $249.99 -
HKP HK VP9SK Grip Panel Left Side - Large - FDE
HKP HK Parts
$9.95Grip Panel, Left Side,Large HK VP9SK- FDE 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 VP9SKHKP-18959$9.95 -
HKP HK45C Comp Weight™Compensator LH Holster - Black
HKP HK Parts
$79.95HKP HK45C Comp Weight™Compensator LH Holster - Black The HK45 series Comp Weight™ holster is an outside the waistband that allows you to use the holster with the HK Parts Comp Weight™ Compensator installed. For a left-hand...HKP-18994$79.95 -
Out Of Stock
HKP MP5 .40 S&W Pistol Build Kit
HKP HK Parts
$2,099.95MP5 .40 Pistol Build Kit Complete German & USA Made Parts MP5 .40 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 pistol (N/A) rifle, or SBR...HKP-18405$2,099.95 -
Out Of Stock
HKP MP5 40/10 Bolt Hold Open Axle Rod & Pin Combo
HKP HK Parts
$27.95HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes both the axle rod and the threaded screw for the...HKP-17405$27.95 -
HKP MP5 40/10 Complete Bolt Group
HKP HK Parts
$449.95HK MP5 40/10 Bolt Group Complete Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5 40,10mm firearms. This offering is the finest US made bolt head available...HKP-17838$449.95 -
HKP MP5 40/10 Full Auto Bolt Carrier
HKP HK Parts
$149.95HKP MP5 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. Not to be confused with cheap...HKP-18363$149.95 -
HKP MP5K 40/10 Full Auto Bolt Carrier
HKP HK Parts
$149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. Not to be confused with cheap...HKP-18362$149.95 -
Out Of Stock
HKP PTR-32 (7.62x39) Complete Bolt Group - PDW
HKP HK Parts
$359.95US Made PTR 32 PDW Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.HKP-17387$359.95 -
HKP Short Sleeve Tee Female - OD Green
HKP HK Parts
$14.95HKP Short Sleeve Tee Female - OD Green Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...HKP-21017-M$14.95 -
HKP- ACR to SP5K Adapter
HKP HK Parts
$139.95HKP- ACR to SP5K Adapter We now offer the best option to convert the ACR Stock to be compatible with your MP5K, SP5K, SP89 and clones. Our new aircraft grade aluminum SP5K ACR adapter comes with a pre-installed folding stock buffer to make this a quick...HKP-20843$139.95 -
HKP/H&K .40 S&W Thread Protector - Threaded 9/16x24 RH
HKP HK Parts
$14.95HKP/H&K .40 S&W Thread Protector - Threaded 9/16x24 RH The HK Parts 9/16x24 Thread Protector is specifically designed for .40 S&W handgun barrels with 9/16x24 right-hand threading, compatible with HK, Glock, Sig, SW, and more...HKP-17032$14.95 -
HKP/H&K P2000 9mm Dimpled Barrel - Threaded 13.5x1
HKP HK Parts
$229.95HKP/H&K P2000 9mm Dimpled Barrel - Threaded 13.5x1 Each barrel is expertly crafted from ordnance grade steel, heat treated, and finished with a premium nitride coating. The dimpled design adds aesthetic appeal, while the fitted O-ringed thread...HKP-18413$229.95 -
Sale
iTaco - Phone/Tech Pouch V2 - Small - Black
High Speed Gear
Now: $9.95Was: $29.95iTaco - Phone/Tech Pouch V2 - Small - Black Constructed from double-layered, laminated 1000D Cordura, this pouch is durable and moisture-resistant. Due to its unique design, this pouch can expand to better accommodate your device. The iTaco V2 also...HKP-19102Now: $9.95Was: $29.95 -
JMAC Universal Picatinny 8" Triangle Stock with 1913 Folding Mech
JMAC Customs
$261.00JMAC Triangle Stock 8" Stock with 1913 Folding Mech Features: 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers 7075 T6 Aluminum Hard-Coat Anodized **Not compatible w/LevTech Manufacturing panels...HKP-21245$261.00 -
KDG HK MR556 10" M-LOK Rail System - Black
KDG Kinetic Development Group
$374.95Rail System - 10" - Black - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like the...HKP-19246$374.95 -
KDG HK MR762 14" M-LOK Rail System - Black
KDG Kinetic Development Group
$499.95KDG - M-LOK Rail System - 14" - Black - HK MR762 The HK 762 M-LOK rail is a direct mount rail system, replacing the factory HK 762 rail systems. The new rail utilizes the M-LOK system, is lighter, longer, and more ergonomic for the operator. The HK...HKP-19206$499.95 -
Sale
Kinetic Development Group Sidelok Comp M4 - Patrol Rifle Optic - HK logo
Now: $74.95Was: $138.95Kinetic Development Group Sidelok Comp M4 - Patrol Rifle Optic - HK logo The sidelok is a revolutionary new mounting system for optics. The patented cam system locks the mount down onto picatinny without the need of tools, side levers, or huge knobs. The...hkp-19066Now: $74.95Was: $138.95 -
Sale
L.A.G. Tactical HK VP9 The Defender IWB/OWB LH Holster - Black
Now: $59.95Was: $79.95L.A.G. Tactical HK VP9 The Defender IWB/OWB LH Holster - Black The Defender is known for being lightweight and comfortable. The easily interchangeable belt loops take you seamlessly from your outside the waistband range set up, to your highly concealable...HKP-18709Now: $59.95Was: $79.95 -
Lazy Wolf VP Series Trigger Safety Tab Kit - C1 Curved - Gold
Lazy Wolf
$19.95C1 - Curved VP Series Trigger Tab, Spring Set - Lazy Wolf Guns - Gold Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab, spring and roll pin...HKP-20089$19.95 -
Magpul AR-15 ACS Stock - Mil-Spec
Magpul
$139.95Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. Similar to the Magpul CTR, the ACS also...HKP-01134$139.95 -
Magpul HK MP5 - MOE PR Stock
Magpul
$189.95Magpul Industries - MOE MP5 Stock New MOE PR MP5 stock fully assembled with our own MP5 AR stock/brace adapter. MOE PR stock blends the simplicity of the legacy MOE Carbine Stock with design lines reminiscent of the PRS Lite now coupled with...HKP-21196$189.95 -
Magpul HK MP5 & HK94 MOE SL-S Stock - FDE
Magpul
$234.95Magpul MOE SL-S - FDE- MP5 ,HK94 Magpul MOE SL-S MP5 ,HK 94 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The sleek profile, dual-side release latches, and waterproof battery...HKP-20489$234.95 -
Magpul HK SP5 Adapter Brace with Stock
Magpul
$189.95Magpul HK SP5 Adapter Brace with Stock SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it on to the new Magpul DT Carbine stock. This is a great...HKP-21411-M$189.95 -
Sale
Match Weight HK P30SK w/o Picatinny Rail - Aluminum - Black
Match Weight
Now: $126.95Was: $194.99Match Weight HK P30SK w/o Picatinny Rail - Aluminum - Black Take your P30SK (Heckler & Koch) 9mm to the next level with our Aluminum Compensator. The 2 piece Match Weight compensator attaches with ease and only takes a few minutes to...HKP-19825Now: $126.95Was: $194.99 -
Sale
Match Weight HK VP40 w/ Picatinny Rail - Black
Match Weight
Now: $99.95Was: $194.99Match Weight HK VP40 w/ Picatinny Rail - Black Take your VP40 to the next level with our Aluminum Compensator offered in (2) styles, with and without picatinny rail. Each Match Weight Compensator is CNC machined in our factory outside...HKP-19902Now: $99.95Was: $194.99 -
Meprolight HK USP Tru-Dot Tritium Rear Night Sight
Meprolight
$59.95Meprolight HK USP Tru-Dot Tritium Rear Night Sight The fail-safe, maintenance-free orange Tru-Dot Tritium Rear Night Sight from Meprolight does not require any external power source, and provides years of usable illumination in all...HKP-19735$59.95 -
MM HK 21E/23E/MSG90 (7.62x51/.308) & (5.56/.223) Scope Mount
Michaels Machines
$899.95HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.HKP-01924$899.95 -
Out Of Stock
MM HK UMP 9mm Conversion Kit
Michaels Machines
$989.95HK UMP & USC 9mm Conversion Kit US Made - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in with...HKP-02286$989.95 -
Out Of Stock
MM Registered Sear Pack - Retimed Hammer - Belt Fed
Michaels Machines
$139.95MM Registered Sear Pack - Retimed Hammer - Belt Fed Billeted Retimed Hammer that has been professionally "Re-timed" by Michael's Machines for Beltfed HK firearms with registered sear packs. A one piece billeted HK retimed hammer is the needed addition...HKP-16996$139.95 -
MP5K Navy Style SEF Semi Trigger Group - Clipped & Pinned
H&K Heckler & Koch
$599.95MP5K Navy Style SEF Semi Trigger Group - C/P HK German manufactured parts. Each unit comes with the professionally converted SEF navy style SEF clipped & pinned housing and semi auto only German HK trigger pack. All trigger groups include a new 3rd...HKP-18055$599.95 -
Sale
Picatinny Rail - HK G36 - HKP
HKP HK Parts
Now: $134.95Was: $179.95Picatinny Rail - HK G36 - HKP HK Lateral Picatinny rail Ambidextrous for carrying handle. Compatible With: G36 G36K G36C Specifications: Material: aluminumhkp-18726Now: $134.95Was: $179.95 -
PTR-32 (7.62x39) Barrel - 12.7 inch
PTR
$179.95PTR-32 (7.62x39) Barrel - 12.7 inch PTR-91 US made 12.7" barrel. This is a new and pretty neat offering recently release by PTR. Factory production perfect for new builds. Counts as one US made compliant part. Compatible With: Short length G3K cocking...HKP-17404$179.95 -
RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$274.95RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3 rifles did not incorporate. A true piece of history can be...HKP-21353$274.95 -
RCM HK MP5K & MP5KN 9mm Barrel – Threaded 1/2x32 – 3–Lug
RCM
$299.95RCM HK MP5K & MP5KN 9mm Barrel – Threaded 1/2x32 – 3–Lug Machined from a cold hammer forged blank, this MP5KN (PDW) barrel meets the latest specifications with factory-correct, updated 16 flutes in the chamber. Featuring a three-lug...HKP-20806$299.95