Rifle / SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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H&K Central Buttstock Section - Black - Used
H&K Heckler & Koch
$43.95H&K Central Buttstock Section - Black - Used This central section is 8 7/8" long overall. Has a buffer hole opening of .80 inches in diameter and will fit all standard buffers. This is a used German military stock section. Compatible With: G3, 91,...HKP-16210$43.95 -
H&K German MP5K 4 Position (0,1,3,F) Burst Trigger Group
H&K Heckler & Koch
$3,299.95HK German MP5K 4 Position (0,1,3,F) Burst Trigger Group New HK German factory fresh 9mm MP5K 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is complete with trigger pack, left and right selector lever...HKP-00403$3,299.95 -
Out Of Stock
H&K HK 416 Battle Grip With Tools - RAL 8K
H&K Heckler & Koch
$159.95H&K 416/417 & MR556/762 Battle Grip With Tools - RAL 8000 HK German battle grip with HK tools stowed in the grip's storage compartment. Finish your HK build with our favorite grip or upgrade your AR-15 platform. Compatible With: HK...HKP-21462$159.95 -
On Sale
H&K HK MP7 Poster
H&K Heckler & Koch
Now: $4.95Was: $14.95MP7 Factory German Poster Limited edition HK German post of the iconic MP7. Limited supply! Specifications: Height - 24" Width - 18"HKP-16689Now: $4.95Was: $14.95 -
H&K MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal
H&K Heckler & Koch
$199.95H&K MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal The ultimate solution for MP5 and SP5 style receivers, this universal trigger housing simplifies swapping between receivers. German HK-manufactured, it allows you to easily transfer your...HKP-20326$199.95 -
HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer
Michaels Machines
$429.95US G3, 91, PTR-91 Or Clone Club Foot Stock U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, 91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced heavy buffer has been...HKP-20068$429.95 -
Out Of Stock
HKP 2 Point Leather Sling - OD Green
HKP HK Parts
$49.95HKP 2 Point Leather Sling - OD Green These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and...HKP-20164$49.95 -
Out Of Stock
HKP HK MP5 9mm Receiver Flat
HKP HK Parts
$189.95HKP HK MP5 9mm Receiver Flat New MP5 receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier flat...HKP-20921$189.95 -
HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced
HKP HK Parts
$29.95Butt Pad For Wooden Stocks - Enhanced Rubberized Buttpad The enhanced rubberized butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This buttpad provides a softer rubberized surface for...HKP-17667$29.95 -
HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized Our new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized selector...HKP-20526$69.95 -
H&K 91/G3 (7.62x51/.308) Complete F/A Bolt Group - Used
H&K Heckler & Koch
$349.95HK Factory German G3, 91, PTR F/A Bolt Group - Complete Used Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91, C91, Clones, Etc. Bolt...HKP-00356$349.95 -
H&K HK MR556/MR762/HK416 A5 Rail Cover Set - RAL 8K
H&K Heckler & Koch
$69.95H&K HK MR556/MR762/HK416 A5 Rail Cover Set - RAL 8K Brand new Heckler & Koch HK 416 A5 Style Picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. Compatible With: HK...HKP-17705$69.95 -
H&K MP5 & MP5K Railed Scope Mount - MLI - RAL 8000
H&K Heckler & Koch
$279.99HK German Low Profile Mount For HK MP5, MP5K- MLI - RAL 8000 HK MP5, MP5K low profile picatinny scope mount. Manufactured in house at HK Germany as part of the "Mid-Life Improvement" upgrade for the MP5 family of firearms. The first Picatinny style low...HKP-17661$279.99 -
HKP 90 Series F1 Flat Trigger
HKP HK Parts
$49.95HKP 90 Series F1 Flat Trigger With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...HKP-21537$49.95 -
SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized
SB Tactical, B&T Brugger & Thomet
$239.95SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized Factory Swiss B&T MP5K, SP5K folding pistol brace with the SB tactical/ B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with...HKP-21054$239.95 -
On Sale
SB Tactical Pistol Stabilizing Brace w/Hex Buffer Tube, Universal
SB Tactical
Now: $69.95Was: $109.95SB Tactical Pistol Stabilizing Brace w/Hex Buffer Tube, Universal The SB-MINI Kit provides the ultimate minimalist solution for buffer tube compatible Pistol Stabilizing Braces. The Kit includes the Phase5 Hex-2 tube machined specifically to...HKP-20478Now: $69.95Was: $109.95 -
B&T MP5, SP5, 94, K - Mid Range Scope Mount
B&T Brugger & Thomet
$119.95B&T MP5, SP5, 94 - Mid Range Scope Mount Includes a witness hole so you can use iron sights with the mount installed. B&T Switzerland is a world leader in arms innovation. This same mount is in use by several militaries around the world. Buy with...HKP-16877$119.95 -
Franklin Armory - BFSIII MP5 – Binary Trigger Group – SEF Navy Housing
FA Franklin Armory
$899.95Franklin Armory - BFSIII HK-C1 – Binary Trigger Group – SEF Navy Housing SEF Navy style- HK binary trigger group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger...HKP-19506-M$899.95 -
H&K 2 Round HK SLB 2000 30-06 Magazine - Black
H&K Heckler & Koch
$29.95HK SLB 2000 30-06 2 Round MagHKP-16997$29.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent
H&K Heckler & Koch
$36.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent Handpicked best condition available. Comes with matching buttpad. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be...HKP-18497$36.95 -
H&K HK 33 Slimline Forearm - OD Green
H&K Heckler & Koch
$59.95H&K HK 33 Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm cut down to fit the HK 33. These are rare items only offered here at HK Parts. Each item is in good to excellent shape and will clean up nicely with a...HKP-20198$59.95 -
H&K MP5/SP5 Rear Sight Sets Complete All 7 Pieces
H&K Heckler & Koch
$129.95MP5, SP5, MP5K, & SP5K Rear Sight Set Complete - German HK Each rear sight set includes the entire rear sight assembly & all the mounting hardware for the complete MP5 rear sight assembly. Each Set Includes The Following German HK...HKP-02531$129.95 -
H&K UMP (9mm) 30 Round Magazine
H&K Heckler & Koch
$89.95HK German UMP 9mm 30 Round Factory Magazine The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP/USC buildsHKP-00608$89.95 -
HK UMP .45 ACP Barrel - Threaded .578x28
HDPS
$349.95HK UMP .45 ACP Barrel - Threaded .578x28 HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 ACP barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a...HKP-20872$349.95 -
Magpul MS3 Sling - Gen 2 - Black
Magpul
$49.95Magpul MS3 Sling - Gen 2 - Black Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.HKP-13727$49.95 -
MP5, HK94, MP5K, SP89 & SP5K - Tac Latch
$69.95New Tac Latch (latest Generation) Paddle Style Magazine Release For The HK94, SP89 & SP5K Family Of Firearms HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto...HKP-02792$69.95 -
RCM MP5, HK94, MP5K & SP89 9mm Bolt Head
RCM
$221.95HK MP5, 94, MP5K, & SP89 9mm - Complete Bolt Head Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use. Use this to replace out-of-spec bolt heads and worn-out...HKP-01241$221.95 -
B&T BT APC9, BT APC45 Telescoping Brace Adapter - Black
B&T Brugger & Thomet
$649.95B&T BT APC9, BT APC45 Telescoping Brace Adapter The B&T telescopic brace adapter is an essential accessory to attach your favorite brace to your B&T firearm. Features: Complete adapter solution- no extra parts to buy except the brace...HKP-18989$649.95 -
B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider
B&T Brugger & Thomet
$99.95B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider B&T muzzle brake/flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP. Swiss made B&T quick detach flash hider for HK UMP .40 and .45ACP...HKP-16890$99.95 -
On Sale
BFSIII HK91, G3, PTR91 HK-C1 Franklin Binary SEF Navy Style Trigger Group
FA Franklin Armory
Now: $679.95Was: $849.95Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK91, G3, PTR91 3 Position HK Binary Trigger Group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box,...HKP-19646-CPNow: $679.95Was: $849.95 -
H&K HK MR556/416 Ejection Port Spring
H&K Heckler & Koch
$7.95HK MR556 & HK416 Ejection Port SpringHKP-02616$7.95 -
H&K HK MR762/417 Take Down Tool
H&K Heckler & Koch
$24.95HK MR762 & 417 Take Down Tool This item is used to take down the upper receiver from the lower receiver as well as tighten down the stock movement on the E1/E2 stock. Each tool will be stored in the rear of the E1/E2 stock and may come in black or...HKP-14438$24.95 -
H&K Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller
H&K Heckler & Koch
$29.95H&K Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller Each spring is a great replacement for the converted packs that have bent elbow springs or for those that used the original F/A elbow springs that were bent to shape and are prone to breakage.HKP-00070$29.95 -
Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader
Maglula
$26.95Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that allows you to load and unload magazines fast,...HKP-14545$26.95 -
Nefarious Arms - NAS HK 416 Adjustable Gas Block
Nefarious Arms
$549.95Nefarious Arms - NAS HK 416 Adjustable Gas Block This is a user configurable 2 position adjustable gas block that can be installed on 11″ – 20″ A1 barrels. Each gas block ships with 5 vent screws, a screwdriver, anti-seize and detailed...HKP-21040$549.95 -
Out Of Stock
B&T MP5SD Tri-Rail Handguard
B&T Brugger & Thomet
$374.95B&T MP5SD Tri-Rail Handguard B&T manufactured MP5SD Tri-rail. Factory HK Part number 299459. Made in Switzerland for HK & B&T. Compatible With: All factory spec current production MP5SD models Specifications: Color: Black Height max:...HKP-16884$374.95 -
H&K Grip Screw
H&K Heckler & Koch
$8.95H&K Grip Screw It is a new HK German part that is now out of production. Great to have as a spare. Compatible With: HK91 HK93 HK94 SP89HKP-01725$8.95 -
H&K HK MR556/416 Battle Grip Storage Cap Pin
H&K Heckler & Koch
$4.95H&K HK MR556/416 Battle Grip Storage Cap PinHKP-16861$4.95 -
H&K HK MR556/416 Bolt Catch
H&K Heckler & Koch
$69.95HK MR556 & 416 Bolt Catch New HK German manufacture. Compatible With: HK 416 HK MR556HKP-02542$69.95 -
HKP G3/33/91/93 Bipod Replacement Feet Set - Steel
HKP HK Parts
$18.95HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods. Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods. Each kit includes a left and right bipod foot...HKP-21310$18.95