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 HK G36C Rear Stock With Cheek Rest - Black
H&K Heckler & Koch
$199.95HK G36C Rear Stock With Cheek Piece Installed - German Genuine German Heckler & Koch G36 stock. The G36C stock is a full inch shorter than a standard G36 stock. This is an ideal stock for those wearing body armor, for those who are doing the SL8...HKP-00278$199.95 -
H&K MP5 30 Round Mag Pouch-3 Straight Mags
H&K Heckler & Koch
$29.95German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags Used in exc to like new shape German HK magazine pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...HKP-16605$29.95 -
HK 416, MR556 & MR762 Battle Grip With Storage - Tan
$129.95H&K 416/417 & MR556/762 Battle Grip With Storage - RAL 8000 New HK German V7 factory battle grip with storage compartment in the bottom of the grip. Superior fit & feel to any other grip on the market. HK has hit a home run with their...HKP-17659$129.95 -
HKP HK MR556/416 Standard Length 9" Quad Rail
HKP HK Parts
$228.95 - $244.95HKP HK MR556/416 Standard Length 9" Quad Rail HK416 & MR556 quad rail complete. This handguard can also be installed on the CR556 models as well. Specifications: Made In The USA Includes HK 416/MR556 Handguard Screw Weight: 12.3 oz Compatible...HKP-17963-M$228.95 - $244.95 -
SB Tactical - HK SP5K Side Folding Brace - Skeletonized
SB Tactical, HKP HK Parts
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Available exclusively at HK Parts. Features: Made...HKP-21056$229.95 -
H&K Cocking Tube End Cap/Dust Cap
H&K Heckler & Koch
$34.95H&K Cocking Tube End Cap/Dust Cap This part is Factory HK, painted black and not surplus or old stock. Each is factory-fresh and manufactured in steel. Compatible With: Compatible with all 90 series HK firearms and clones that use a triple...HKP-00099$34.95 -
Outers 9mm Bore Cleaner
$7.95Outers 9mm Bore Cleaner .357/.38 Manufactured by the makers of the original BoreSnake and will work with all 9mm pistol and rifles. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting...HKP-19922$7.95 -
Out Of Stock
RCM HK21 Barrel
RCM
$674.95RCM HK21 Barrel RCM HK21 are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance and aesthetic appeal. These barrels are the most cost-effective option to finish your HK21/FMP or HK11 build. You'll only need to add your own...HKP-21521$674.95 -
On Sale
Franklin Armory HK MP5/91/93 Binary Trigger Pack - HK-C1
FA Franklin Armory
Now: $629.99Was: $699.95Franklin Armory BFSIII HK-C1 Binary Trigger Pack For H&K 90 Series The BFSIII™ for HK is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger on the market...HKP-18434Now: $629.99Was: $699.95 -
H&K HK G3, HK 91, PTR Wood Stock
H&K Heckler & Koch
$199.95Wood Stock - Used - Excellent Shape - HK G3, 91, PTR Complete rear stock for HK91/G3, PTR. These stock sets were in use with the German military and come used in varying degrees of condition ranging from very good to excellent shape overall. A rare...HKP-19275$199.95 -
H&K HK G36 to AR-15 Mag Conversion Mag Well - Black
H&K Heckler & Koch
$249.95HK G36 To AR15, M4 Magazine Conversion Simply swap the magazine well from the G36 to this offering and you can then run AR15/M4 style magazine in your G36 or SL8/G36 conversion. Allows use of all AR15-M4 magazines in the G36 with this magwell adapter...HKP-17605$249.95 -
HKP HK 91/G3 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts
HKP HK Parts
$249.95HKP/H&K G3/91 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts HK G3, 91 & PTR .308 Semi Auto Trigger Pack Complete. Works with all 7.62 & .308 HK style firearms. Each trigger group incorporates the following US made compliant parts...HKP-17949$249.95 -
HKP HK SP5/K 9mm Knurled Micro Comp - Threaded 1/2x28
HKP HK Parts
$26.95HKP HK SP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 Our SP5 micro comp has the appearance of a standard factory style thread protector but now extended and slotted to provide a micro comp feature. The added slots help mitigate gasses allowing the...HKP-21374$26.95 -
Out Of Stock
HKP MP5 RMR Rear Site Optic Mount
HKP HK Parts
$97.95HK MP5- RMR Optic Mount: The mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base. The mount is the perfect height to co-witness your RMR with your...HKP-20506$97.95 -
Out Of Stock
B&T MP5, HK53 Tri-Rail Handguard
B&T Brugger & Thomet
$294.95B&T MP5, HK53 Tri-Rail Handguard The B&T handguard 3x NAR is a modular forend system designed for the HK MP5 submachine gun. It offers a versatile and customizable mounting platform for various accessories such as lights, lasers, and grips. The...HKP-16885$294.95 -
HKP SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
HKP HK Parts
$74.95HK SP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit No modifications, no refinishing...complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to quickly,...HKP-18192$74.95 -
MI HK MP5 Tri-Rail Handguard
MI Midwest Industries
$169.95MI HK MP5 Tri-Rail Handguard Features: Professional grade one-piece design Tri-Rail 1913 Picatinny on 3 sides for accessory attachment Simple installation includes all tools Extremely lightweight design Features two anti-rotation QD sling swivel...HKP-21485$169.95 -
H&K HK MR556/416 Extended 11" Quad Rail - Black
H&K Heckler & Koch
$419.99HK MR556/416 Extended 11" Quad Rail - Black This drop-in unit offers two full inches in extra length, not the standard 9" rail that comes with the HK 416/MR556, but an extended 11" rail that allows for a longer sight radius and more rail space...HKP-01960$419.99 -
H&K MP5, HK94, MP5K & SP89 9mm Magazine Follower
H&K Heckler & Koch
$22.95HK MP5, MP5K 9mm Magazine Follower Factory chrome follower will work with all HK MP5 9mm curved magazines. This is a new HK German OEM part. 40 Round 30 Round 15 Round 10 RoundHKP-01050$22.95 -
HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block - B Pin Style
HDPS
$209.95New Latest Production HDPS HK USC/UMP Stock Block -B Pin Style For use with all HK UMP factory or US-made folding stocks. Each unit comes with a new push-pin design. This is a required part of the HK USC-UMP style conversion. Each part is the latest...HKP-00773$209.95 -
HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set
HKP HK Parts
$99.95Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1...HKP-17229$99.95 -
HKP HK VP9SK Bench Mat
HKP HK Parts
$13.95Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun...HKP-18091$13.95 -
AIM Sports Low Profile Red/Green Dot Micro Sight
AIM
$59.95Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This micro optic is rated for anything from .22 all they...HKP-16209$59.95 -
H&K G3 Crush Washer For Buffer Screw
H&K Heckler & Koch
$0.95HK G3 Crush Washer For Buffer ScrewHKP-16984$0.95 -
HK Rifle Tac Latch - HK 91, G3, HK 93, 33
$69.95HK Rifle Tac Latch For HK 91, G3, HK 93, & 33 HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto versions eliminated this much-needed feature due to import restrictions...HKP-02791$69.95 -
HKP HK MP5, MP5SD Steel Cocking Tube Support - Universal
HKP HK Parts
$64.95MP5SD, MP5 Universal All Steel Cocking Tube Support 9mm - USA Made from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at a great price point. Each MP5 9mm cocking tube support will include the...HKP-18089$64.95 -
B&T G3/91, 33/93, MP5/94 - Universal Scope Mount
B&T Brugger & Thomet
$119.95B&T G3/91, 33/93, MP5/94 - Universal Scope Mount Specifitacions: Color: Black Height max: 35.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum MSN: 5340-25-149-2979 NATO Accessory Rails: 1 Part number: BT-21262-1 Treatment:...HKP-16878$119.95 -
H&K Grip Cap Replacement Spring
H&K Heckler & Koch
$4.95H&K Grip Cap Replacement Spring This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use. We use...HKP-16408$4.95 -
HKP MP5, HK94 & MP5K 100 Degree Locking Piece
HKP HK Parts
$33.95HKP MP5, HK94 & MP5K 100 Degree Locking Piece Each 100 degree MP5 locking piece is the proper, correct locking piece for all HK MP5, 94 and full size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants, per...HKP-18049$33.95 -
Barrel Nut - HK 416, MR556 - Stainless Steel
$39.95HK MR556, HK 416 Barrel Nut or Socket For Barrel - Stainless Steel A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in...HKP-17334$39.95 -
Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight is engineered to deliver a precise and visible aiming point, enhancing target acquisition and accuracy. This model features a spike-tipped post and a...HKP-21097$87.95 -
Choate MP5 & HK94 Folding Stock
Choate
$219.95Choate MP5 & HK94 Folding Stock Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have to use...HKP-00171$219.95 -
Choate MP5K/SP89/SP5K 9mm Tactical Folding Stock
Choate
$229.95HK SP5K Folding Tactical Stock Made in the USA and counts as one 922r compliant part. Compatible With: MP5K D54K SP5K SP89 Zenith Z-5P/Z-5K & in-spec clonesHKP-00781$229.95 -
H&K HK G3, HK 91, PTR Rear Sight Assembly
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - New HK - Hand Windage Adjustment Knob HK German factory rear sight assembly with all hardware included. We offer the finest new HK sights at the BEST price in the country. Each set comes complete with...HKP-19372$39.95 -
HKP 90 Series Paddle Mag Release Easy Install Fixture
HKP HK Parts
$187.95HKP 90 Series Paddle Mag Release Easy Install Fixture The original one and only paddle mag release fixture. The perfect jig for the installation of the factory correct paddle mag release with the proper hole placement and an easy to use jig that will...HKP-17587$187.95 -
HKP HK 91 Polymer To Metal Trigger Group Conversion Kit
HKP HK Parts
$225.95HK 91/PTR 91 Polymer To Metal Trigger Group Conversion Kit. This is everything you will need to convert the lower trigger group on your HK 91 from polymer to metal housing with contoured grip. Just use your existing trigger pack to complete the...HKP-17362$225.95 -
H&K Magazine Pouch with 2 Magazines - USED
H&K Heckler & Koch
$29.95H&K Magazine Pouch with 2 Magazines - USED 2 X Used HK German 20 round aluminum magazine and used Flectarn mag pouch combo deal: 2 X 20 round aluminum magazines and camo mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51...HKP-20875$29.95 -
HKP HK UMP (.40 S&W/.45 ACP/9mm) Armorer Manual
HKP HK Parts
$19.95HK UMP Armorer Manual This is the most in-depth manual available for the UMP series and covers the UMP 45, 40, & 9mm calibers. It has 64 Pages with diagrams and in-depth coverage of the history and full mechanical diagrams of the UMP firearm.HKP-00612$19.95 -
HKP Semi Auto Trigger Box - Billeted
HKP HK Parts
$69.95HK 90 Series, Century, PTR, & Zenith Trigger Pack - USA This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into the trigger pack, and your...HKP-02384$69.95 -
Out Of Stock
HKP/H&K MP5 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP/H&K MP5 9mm Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on...HKP-17228$99.95