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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RCM HK MP5K 10mm Barrel - Threaded 14x.75
RCM
$279.95RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...HKP-21155$279.95 -
RCM HK MP5K 10mm Barrel - Threaded 9/16x24
RCM
$279.95RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it an essential upgrade for firearm enthusiasts...HKP-21157$279.95 -
RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH
RCM
$259.95RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 .40 tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest threaded...HKP-16942$259.95 -
RCM HK USPC 9mm Barrel - Non-Threaded
RCM
$199.95RCM HK USPC 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK USPC 9mm pistol, ideal as a spare or for...HKP-16704$199.95 -
RCM HK33/93 .300 BLK 16.1 Inch Barrel - Threaded 5/8x24
RCM
$234.95NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK...HKP-17392$234.95 -
RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH
RCM
$164.95RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH These are the finest US-made barrels available and come highly recommended by HKParts. Specifications: Made In The USA Threaded 15x1 RH Counts As 1 US Made 922r Compliant Part Cold Hammer Forged...HKP-02400$164.95 -
RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28
RCM
$204.95RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a durable...HKP-17762$204.95 -
Refinished HK MP5K Slimline Forearm - OD Green
H&K Heckler & Koch
$69.95Refinished HK MP5K Slimline Forearm - OD Green Used German military refinished O.D green slimline forearm with heat shield cut down to fit the MP5K. These are rare items- available exclusively at HK Parts. Compatible With: MP5K, SP5KHKP-20498$69.95 -
SchuBrichtung HK G3 & MP5 Illuminating Light and Aiming Projector
SchuBrichtung
$399.95Illuminating Light and Aiming Projector - HK G3 & MP5 Rare aiming projector used by German police and military. Will fit and work on the factory HK spec 90's series firearms. Each unit comes with the factory HK claw mount most units are in exc to...HKP-19492$399.95 -
Sale
Sig Sauer HK MP5K/SP5K/SP89 Pistol Brace Complete - FDE - BLEMISHED
HKP HK Parts, Sig Sauer
Now: $139.95Was: $289.95Sig Sauer HK MP5K/SP5K/SP89 Pistol Brace Complete - FDE THIS COSMETICALLY BLEMISHED ITEM IS FULLY FUNCTIONAL. THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. HK pistol stabilizing brace with pistol buffer tube, backplate adapter, buffer,...HKP-20139-BNow: $139.95Was: $289.95 -
Sale
Sig Sauer ROMEO1PRO 6MOA Dot
Sig Sauer
Now: $329.95Was: $439.95Sig Sauer ROMEO1PRO 6MOA 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-19719Now: $329.95Was: $439.95 -
Strike Industries HK 416 .22LR Crux KeyMod 9" Handguard - Black
Strike Industries
$249.95CRUX KeyMod Handguard for HK416, MR556, 416 .22 - 9 Inch The Crux Handguard is a ultra light weight Key Mod rail for the MR556 and HK416. Weighing in at a fraction of the original rail. The CRUX handguard features Key Mod sessions at the 3, 6, and 9...HKP-17347$249.95 -
Talon Grip HK P30SK Granulate - Small - Black
Talon Grip
$19.99TALON Grip - H&K P30SK - 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-20240$19.99 -
Talon Grip HK P30SK Rubber - Small - Black
Talon Grip
$19.99TALON Grip - H&K P30SK - Rubber 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 easy...HKP-20239$19.99 -
Talon Grip HK VP9SK Rubber - Large - Black
Talon Grip
$19.99TALON Grip - H&K VP9SK - Rubber Black - Large 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 easy...HKP-20231$19.99 -
Tommy Built HK G36 AR/Stanag Magwell - FDE
Tommy Built
$279.95AR/Stanag Magwell - G36 - FDE Stanag/AR Magwell for the G36/SL8 Platform. This replacement magwell allows the use of standard AR15 Style Magazines. This is a direct magwell swap and should not require any modification or special tools. These are black...HKP-19385$279.95 -
Sale
TPM - Drake Bolt Knob - Midnight Bronze
Tactical Precision MFG
Now: $29.95Was: $39.99TPM - Drake Bolt Knob - Midnight Bronze These bolt knobs are made from aluminum and are finished in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: midnight bronze Threading:...HKP-20785Now: $29.95Was: $39.99 -
Sale
TPM - Fluted Bolt Knob - Titanium
Tactical Precision MFG
Now: $34.95Was: $48.99TPM - Fluted Bolt Knob - Titanium These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Features: Dimensions: 1.5" x 7/8" x 7/8" Weight: 2 oz. Material: titanium Threads: 5/16x24HKP-20769Now: $34.95Was: $48.99 -
Sale
TPM - Remington 700 - 20 MOA - Scope Base Long Action
Tactical Precision MFG
Now: $57.75Was: $76.99TPM Remington 700 Scope Base Long Action 20 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 20 MOA options and will match factory...HKP-20763Now: $57.75Was: $76.99 -
Sale
TPM AR15 .22 Titanium Full Port Muzzle Brake
Tactical Precision MFG
Now: $64.95Was: $89.99TPM AR15 .22 Titanium Full Port Muzzle Brake This titanium muzzle brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the parabolic internal taper significantly reduces recoil while...HKP-20767Now: $64.95Was: $89.99 -
Out Of Stock
Trigger Group (0,1,2) Pictogram - HK MP5 9mm - USED
H&K Heckler & Koch
$0.00HK MP5 9mm (0,1,2) Only Pictogram Black Polymer Trigger Group - Used. Rare configuration and hard to find. This trigger group is from a Demilled PD Trade In. Shown as 0,1,3 but the correct 0,1,2 trigger group.HKP-18791$0.00 -
Out Of Stock
Trigger Group (0,1,3) Pictogram - HK MP5 9mm
H&K Heckler & Koch
$0.00HK MP5 9mm (0,1,3) Only Pictogram Black Polymer Trigger Group. Rare configuration and hard to find.HKP-02018$0.00 -
Trijicon HK 45 Fiber Sight - Red
Trijicon
$84.95Trijicon HK 45 Fiber Sight - Red Trijicon's Fiber Sights are great for competition and carry alike. The sight bodies are machined and phosphated steel to provide exceptional durability that will hold up under heavy use. For wicked fast acquisition, the...HKP-19388$84.95 -
Sale
UM Tactical UMH3 Belt Loop RH Holster - Black
UM Tactical
Now: $38.95Was: $69.95UM Tactical UMH3 Belt Loop RH Holster - Black Right-handed, belt-loop holster for pistols equipped with the UM Tactical UM3 sight mount. Unlike conventional holsters, UM Tactical's UMH3 Universal Holster attaches to the UM3 sight mount to...HKP-17019Now: $38.95Was: $69.95 -
Sale
UM Tactical UMH3 Universal RH Paddle Holster - Black
UM Tactical
Now: $38.95Was: $69.95UM Tactical UMH3 Paddle RH Holster - Black Right-handed, paddle holster for pistols equipped with the UM Tactical UM3 sight mount. Unlike conventional holsters, UM Tactical's UMH3 Universal Holster attaches to the UM3 sight mount to retain...HKP-17016Now: $38.95Was: $69.95 -
Sale
Victory Operational Works HK VP9 Crusader Max Holster - Standard - Right Hand
Victory Operational Works
Now: $74.95Was: $99.95Victory Operational Works HK VP9 Crusader Max Holster - Standard - Right Hand The Crusader holster is a modular multi-mission capable holster platform offering two carry options, IWB & OWB including the hardware needed for both configurations. Each...HKP-20308Now: $74.95Was: $99.95 -
Sale
Victory Operational Works HK VP9SK Crusader Max Holster - Standard - Right Hand
Victory Operational Works
Now: $74.95Was: $99.95Victory Operational Works HK VP9SK Crusader Max Holster - Standard - Right Hand The Crusader holster is a modular multi-mission capable holster platform offering two carry options, IWB & OWB including the hardware needed for both configurations. Each...HKP-20307Now: $74.95Was: $99.95 -
XS Sight Systems HK P7 M8 & M13 DXT2 Big Dot Yellow
XS Sight Systems
$149.95DXT2 XS Big Dot Yellow Night Sights - HK P7 M8, P7 M13 XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch...HKP-19278$149.95 -
XS Sight Systems R3D Night Sights - Orange
XS Sight Systems
$112.95XS Sight Systems R3D Night Sights - Orange R3D Night Sights feature traditional 3-dot tritium, notch and post, sight picture. The tritium front sight comes equipped with our proprietary photoluminescent orange or green Glow Dot, which absorbs ambient...HKP-19935$112.95 -
Zeiss/Eltro Fero Z-51 Night Vision Scope-Parts Grade
Zeiss/Eltro
$499.95Zeiss/Eltro Fero Z-51 Night Vision Scope-Parts Grade Used in non-working condition -SOLD AS IS. Comes shipped in the original German Army transportation case. Good for spare parts, props etc. These are the last remaining units available and we are told...HKP-15655$499.95 -
Out Of Stock
.22LR Conversion Extractor
$19.95New US made extractor for the G3 .22 caliber conversion extractor for the HK .22 conversion kits. Works for the G3/91, HK33/93 and MP5/94 caliber conversion kits.HKP-14341$19.95 -
Out Of Stock
10 Round HK Mark 23 Magazine Housing - Black
H&K Heckler & Koch
$49.9510 Round HK Mark 23 Magazine Housing - BlackHKP-16647$49.95 -
Out Of StockSale
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 -
Out Of Stock
20 Round HK 45C/USPC .45 ACP Magazine Extension - Black
HKP HK Parts
$39.95HK45C & USPC .45 20 Round Magazine Extension Kit: The HK Parts manufactured HK45C, USPC .45 mag extension allows the user to convert existing HK45C & USPC .45 magazines to a 20 round magazine capacity. Each HK magazine extension kit includes the...HKP-17158$39.95 -
30 Round Magazine - LEO Marked - Windowless - HK UMP .40
$99.95Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...HKP-20749$99.95 -
Out Of Stock
Ambidextrous Sling Pin For Forearm - Small
HKP HK Parts
$24.95Ambidextrous Eyebolt Sling Pin - SmallThe ambi pin will allow the user to replace the handgaurd push pin. With this ambi sling pin to attach a sling hook or attachment point to the sling pin loop area. This is pin will allow the user to use a sling...HKP-02684$24.95 -
Sale
Argentinian Slide Colt Sistema 1927 - (M1911)
Ejercito Argentino
Now: $174.95Was: $349.95Original slide for the Argentinian Colt Sistema 1927 (M1911)- DGFM manufacture- Used in *Excellent* condition. Colt was contracted to build M1911/1927 model pistols for the Argentinian government, under the Sistema model name.HKP-19778Now: $174.95Was: $349.95 -
B&T BT APC.223/5.56/.300 3 Position Telescopic Stock - Black
B&T Brugger & Thomet
$589.95B&T BT APC.223/5.56/.300 3 Position Telescopic Stock Swiss made B&T telescopic for the APC223, ACP556 and APC300. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. Compatible...HKP-18312$589.95 -
B&T HK G36/MP7 Picatinny Side Rail
B&T Brugger & Thomet
$69.95B&T HK G36/MP7 Picatinny Side Rail Comes with all mounting hardware. Each rail is sold individually. Compatible With: HK G36 HK MP7 Specs: 127mm lengthHKP-21419$69.95 -
Sale
B&T TP9, MP9 Tactical LH Holster
B&T Brugger & Thomet
Now: $199.95Was: $324.95B&T TP9, MP9 Tactical LH Holster The B&T TP9 Tactical Leg Holster is perfect for your TP9 or MP9 Pistol. This drop leg holster is fully adjustable both up and down and tightness around the leg. If your looking for a tactical holster that is...HKP-19626Now: $199.95Was: $324.95