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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HKP MP5 Cocking Handle - Extended Knurled
HKP HK Parts
$29.95HK MP5, MP5K Cocking Handle Extended New extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and is made 100% from solid billet. Each item also count as a needed US made...HKP-16999$29.95 -
On Sale
MFI Universal Low Profile Scope Mount
MFI
Now: $99.95Was: $129.95MFI Universal Low Profile Scope Mount The new "universal" mount will fit all models from 9mm through .308 and every model in between. The sleek universal design allows the operator to flip the scope mount in either direction without blocking the ejection...HKP-00762Now: $99.95Was: $129.95 -
Gear Head Works Tailhook Mod 1C - Black
Gear Head Works
$164.95The Patented Tailhook MOD 1C is 30% lighter and 30% more compact than or standard Mod 1. With a profile similar to the SCW Tailhook it truly is the most compact pistol brace on the market today. At less than an inch thick, it can be adapted to...HKP-19655$164.95 -
Semi Auto Shelf For Receiver - Billeted
$19.95Semi Auto Shelf For Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521$19.95 -
HKP HK 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Hex Buffer Screw - Front
HKP HK Parts
$0.69Enhanced Hex Style Buffer ScrewNew upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old style buffer screws were used the older slotted head and...HKP-17883$0.69 -
MFI HK MP5K, HK SP5K Universal Low Profile Scope Mount - Black
MFI
$124.95Universal Low Profile Scope Mount for HK MP5K, SP5KThis mount differs from our Regular 5.5" Long HK Low Scope Mounts in that it is slightly shorter in length and is contoured at the front to allow more area between the cocking handle and the rail. This...HKP-19266$124.95 -
H&K MP5 & MP5K Railed Scope Mount - MLI
H&K Heckler & Koch
$329.95HK German Low Profile Mount For HK MP5, SP5 & MP5K, SP5K - MLI Recently released HK German manufactured HK MP5, MP5K low profile picatinny scope mount. Manufactured in house at HK in Germany as part of the "Mid-Life Improvement" upgrade for the HK...HKP-17629$329.95 -
Out Of Stock
B&T MP5, MP5K - Low Profile Scope Mount
B&T Brugger & Thomet
$119.95B&T MP5, MP5K - Low Profile Scope Mount B&T low profile scope mount for the HK MP5, SP5 & MP5K, SP5K Color: Black Height max: 30.7 mm Length max: 84 mm Length of top rail: 84 mm Material: Aluminum NATO Accessory Rails: 1 Part number:...HKP-16875$119.95 -
HKP MP5-SD Enhanced SD Shroud
HKP HK Parts
$129.95MP5 SD weldable suppressor shroud for HK MP5 SD buildsThe finest SD shroud ever made or available. CNC machined & fully de-burred with the handguard attachment lugs being machined in from the outset not welded in as found on all aftermarket style...HKP-15701$129.95 -
SB Tactical MP5 & SP5 Folding Brace
SB Tactical
$149.95SBT5A Side Folding Brace For The HK MP5, SP5 model: Each brace comes assembled ready to install no assembly required Dreamed Up, Designed, Manufactured & Assembled 100% In The USA B&T inspired design & styling The finest folding pistol brace...HKP-18017$149.95 -
Out Of Stock
HKP 90 Series Flat Trigger - Enhanced
HKP HK Parts
$49.95Made in the USA from solid billet machined ordnance grade steel, heat treated, finished in a QPQ Nitride finish. With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series trigger. Each enhanced flat trigger will fit...HKP-18364$49.95 -
PTR Semi Auto Spacer With Elbow Spring - Match Grade
PTR
$11.95PTR Semi Auto Spacer With Elbow Spring - Match Grade For use on all HK semi-auto trigger packs. It's a must-have for those converting a full auto trigger pack to semi-auto. This unit provides a "match" grade feel to your trigger pull.HKP-00838$11.95 -
Retractable Stock Buffer - MP5 A3 - USA
$7.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable StocksThe A3 stock buffer is a high wear and common replacement items that does need to be replaced when they become torn, cracked, brittle, discolored & worn. These units are made from...HKP-14012$7.74 -
H&K German Sling Hook - Black
H&K Heckler & Koch
$8.95New old stock HK German sling hook. Made from steel not the cheap aluminum or zinc offerings found elsewhere. Made in Germany.Great For HK sling projects and for spares. The real deal. This is the sling hook that all others look up to. Hard to find. 1"...HKP-19433$8.95 -
MFI HK G3,91,93,33 PTR & MP5 Scope Mount - Windowed
MFI
$133.95This particular model is the exact same as the best selling low profile mount only with added windows for extra weight savings and a viewing window to see the serial numbers on the MP5,94 series of firearms without taking the mount off. The MFI low...HKP-02708$133.95 -
Walther 20 Round HK 416/Colt M4 .22LR Magazine - Black
Umarex / Walther
$35.00HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Each magazine is the factory OEM magazine for all of the models above. Brand new factory fresh. This magazine is the perfect balance of magazine capacity size and fitment to the firearm...HKP-01748$35.00 -
KCI 20 Round HK91/G3/PTR 7.62 x 51mm/308 Magazine - Black
KCI
$12.95HK 91, G3, PTR .308 20 Round All Steel Magazine - KCI Designed to fit your G3, HK91, & PTR style firearms chambered in .308 and 7.62x51. This standard capacity 20-round magazine provides reliabile and smooth feeding. Constructed of steel with a...HKP-19970$12.95 -
HKP Vertical Grip - Picatinny Mount - Long
HKP HK Parts
$29.95This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum locking block for ease of security...HKP-15296$29.95 -
H&K Locking Roller Pin For Bolt Heads
H&K Heckler & Koch
$6.95H&K Locking Roller Pin For Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped roller retainer...HKP-00066$6.95 -
H&K G36 (5.56/.223) 30 Round Magazine - Black
H&K Heckler & Koch
$49.95HK German G36 30 Round Magazine The new HK German 30-round magazine fits all G36, G36K, and G36C variants & converted SL8's with the G36 mag well—factory fresh latest HK manufacture.HKP-00624$49.95 -
H&K HK VP9, HK VP9L Optics Plate #2 RMR - Black
H&K Heckler & Koch
$48.95Optics Plate #2 RMR - HK VP9, VP9L New HK German optics plate. The factory OEM steel plate. Plate compatible with: Trijicon RMR and Holosun Compatibility: HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR VP9SK OR **Plate Only works with VP9...HKP-19253$48.95 -
H&K 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Buffer Screw Locking Washer - Zinc Plated
H&K Heckler & Koch
$0.25HK G3, 91, PTR & HK93, 33, 53 - Locking Washer For Small Buffer ScrewsNew not surplus latest generation of G3, 91, PTR toothed locking washer. Zinc plated (galvanized) as to not corrode or rust like the older style units found on surplus stocks...HKP-17882$0.25 -
SB Tactical HK MP5, HK SP5 Retractable Pistol Stabilizing Brace - Black
SB Tactical
$329.95The HK MP5, SP5 pistol stabilizing brace is 3-position fully adjustable pistol brace and is comprised of a billeted 6061 alloy hard-coat anodized aluminum adapter, steel receiver forks, and an integral QD sling socket. This pistol brace provides you...HKP-19161$329.95 -
H&K HK G3, HK 91, PTR Locking Lever
H&K Heckler & Koch
$9.95Locking Lever - HK German G3 - New Old stockNo longer made or offered by HK. This is the factory HK German manufactured bolt carrier locking lever. New never installed.These are the LAST new units that HK made. There will be no more once we are sold out...HKP-19485$9.95 -
Overwatch Precision 32 Round MP5 Variants 9mm Magazine
Overwatch Precision
$29.95The Overwatch Precision Polymer magazine for MP5, MP5K variants is a 32-round 9mm polymer mag for HK MP5, SP5K, MP5K, SP5K, and factory spec HK MP5,MP5K style clones. Its unique and custom feed lip and follower geometry allows for reliable feeding and...HKP-20102$29.95 -
Out Of Stock
H&K MP5 & MP5K 9mm Magazine Clamp
H&K Heckler & Koch
$149.95HK German MP5 & SP5 Or MP5K & SP5K 9mm Magazine Clamp Allows the user to clamp two times MP5 9mm 30-round magazines together for ease of use & safety by keeping two magazines usable and at your disposal. A Heckler & Koch German made...HKP-00083$149.95 -
Magpul HK MP5, HK SP5, HK AP5 SL Hand Guard - Black
Magpul
$49.95The Magpul SL Hand Guard for the HK MP5 is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics and anti-slip texturing. It also includes M-LOK® compatible slots that allow mounting of...HKP-19309$49.95 -
AC-Unity 40 Round HK MP5 9mm Magazine - Black
AC-Unity Magazines and Parts
$24.95ADD QUANTITIES TO CART TO SEE BULK PRICING DISCOUNTS The AC-Unity 30 round MP5 magazine is a lightweight, impact resistant and reliable magazine for all 9mm HK MP5, SP5, MP5K, SP5K and clones. Constructed from German made polymer-resin/granulate that is...HKP-20156$24.95 -
Trijicon RMR Red Dot Sight Replacement Screw
USA
$1.95Replacement Screw For Trijicon RMR6-32 x 1/2" flat head socket cap screw with thread locker. Requires a 2mm allen head key.This replacement screw is to mount your Trijicon RMR optic to your #2 mounting plate.**Each screw is sold separately/individually...HKP-20035$1.95 -
X-Grip HK P30SK/P2000SK Magazine Sleeve - Black
X-Grip
$15.95VP9SK, P30SK & P2000SK - USPC/P2000 Mag Adapter X-Grip The XGRIP HK, VP9SK, P30SK & P2000SK are patent pending OEM factory accessories for the HK, V P30SK, and P2000SK that enhance the versatility, look, and feel of the gun. The XGRIP...HKP-00910$15.95 -
H&K 9mm 13.5 X 1 Thread Protector
H&K Heckler & Koch
$24.95H&K 9mm 13.5 X 1 Thread Protector This German HK-manufactured 9mm tactical threaded barrel protector fits all HK 9mm threaded barrels. 13.5 x 1 metric left-hand twist. Fits the following barrels threaded 13.5 X 1 metric 9mm barrels: VP9...HKP-00919$24.95 -
H&K 91/G3 (7.62x51 / .308) Cocking Handle - Black Rubberized - Surplus
H&K Heckler & Koch
$9.95HK German HK G3 & HK 91 Rubberized Cocking Handle- BlackUsed German Military Surplus From G3 Military Rifles.Each comes complete, black in color. Date coded. Made by HK for the German military.Fits all: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...HKP-17083$9.95 -
H&K HK MP5K SEF Navy Style Push Pin Trigger Housing - Used
H&K Heckler & Koch
$74.95HK German SEF MP5K "Navy Style" Push Pin SEF Trigger Housing - USEDHK German factory date coded SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push pin firearms that do not require a clipped and pinned...HKP-19997$74.95 -
H&K, Walther 10 Round HK MP5 .22LR Magazine - Black
$39.95HK MP5 22 - 10 Round magazine Brand New Walther/HK German manufactured for the HK MP5-A5 & MP5-SD .22 rifle & Pistols. Each magazine offers a 10 round magazine capacity & fits all HK, Walther, Umarex MP5 A5 & MP5 SD .22 rifles. A good...HKP-19923$39.95 -
Holex Feeler Gauge Set - 20 Piece - German
HKP HK Parts
$14.95The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap. This is the exact same tool set used in the...HKP-17212$14.95 -
HKP Chamber Face Brush For All Barrels
HKP HK Parts
$25.99HKP Chamber Face Brush For All Barrels This brush was made to clean the hard-to-reach and hard-to-clean barrel face. This is a must-have addition for cleaning your HK firearm. This item will fit all standard 8-32 US thread cleaning rods. Compatible...HKP-00140$25.99 -
Walther 20 Round HK 416/Colt M4 .22LR Magazine - Gray
Walther
$24.95HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Brand New Walther German manufactured 20 round .22 cal magazine. Compatible With: HK 416 .22 Colt M4 .22 HK G36 .22 Beretta ARX 160 .22 Hammerli Tac .22 This is the factory OEM magazine for...HKP-14554$24.95 -
H&K Sling Loop For Front Sight Tower - Used
H&K Heckler & Koch
$4.95HK German sling loop, eyebolt or triple frame retainer pin for front sight tower - UsedThis HK OEM item is used and pulled from de-milled HK firearms. This is a must have item for all of your re-barrel jobs of for when you need to mount a sling loop to...HKP-17058$4.95 -
MP5, 94, HK53, 51 M-LOK Handguard
HKP HK Parts
$108.95HK MP5, 94, HK53, 51 Low Profile Forearm M-LOK ON SALE WHILE SUPPLIES LAST. LIMITED OFFER!The MLOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock...HKP-17148$108.95 -
H&K Roller For Bolt Head 8.00mm - Standard
H&K Heckler & Koch
$12.95H&K Roller For Bolt Head 8.00mm - Standard The 8mm roller is the proper roller size for the standard "zero" function. The correct 8mm roller is essential for proper head spacing and bolt gap. New HK German, not surplus or used goods, that are worn...HKP-00506$12.95