HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK 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, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
HK SP5 Folding Stock w/ HK Parts Adapter
B&T Brugger & Thomet
Now: $269.95Was: $299.95B&T Folding Stock with HK Parts Adapter - SP5 B&T stock with a SP5 HK Parts Adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. Finished in black cerakote. This will...Now: $269.95Was: $299.95 -
On Sale
HK91, G3 Bolt Carrier - Full Auto - Surplus
H&K Heckler & Koch
Now: $134.95Was: $149.95HK G3 Factory Full Auto Bolt Carrier - German German HK 70'- 80's production used surplus bolt carrier with locking lever, spring, and axle pin installed. Most are NOT date-coded on the top of the carrier. Most will be marked on the side or, more...Now: $134.95Was: $149.95 -
On Sale
HK 91, G3 Handguard - Slimline Style - OD Green - LIKE NEW
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - LIKE NEW Like new German military surplus O.D. green slimline forearm with heat shield. For use on standard contour barrels not the thicker barrel profiles. Compatible With: HK G3 HK 91 HK PTR...Now: $22.45Was: $24.95 -
Out Of StockOn Sale
HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round
Zenith
Now: $39.56Was: $43.95Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...Now: $39.56Was: $43.95 -
On Sale
HK G36C Rod and Spring - Gas Piston
GSG9
Now: $74.66Was: $82.95HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.Now: $74.66Was: $82.95 -
On Sale
GSG9 HK G36, HK G36K Folding Stock
GSG9
Now: $103.50Was: $115.00HK G36 Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock choose the G36C length stock. Each stock comes complete with...Now: $103.50Was: $115.00 -
On Sale
HK91, G3 Complete Fixed Stock - Black
PTR
Now: $206.95Was: $229.95New HK91, G3, PTR-91 US-Made (PTR-91 Manufactured) Fixed Stock Made from all German & US-made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one US-compliant part for 922r compliance. This stock...Now: $206.95Was: $229.95 -
On Sale
HK91, G3 Handguard - Slimline Style - Used Good
H&K Heckler & Koch
Now: $15.71Was: $17.45Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm length HK 91, G3, PTR style firearmsNow: $15.71Was: $17.45 -
On Sale
HK33, HK53, HK93 Extractor
H&K Heckler & Koch
Now: $61.16Was: $67.95H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh production.Now: $61.16Was: $67.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...$27.95 -
On Sale
HK Armorers Tool for Burst Trigger Packs
H&K Heckler & Koch
Now: $89.95Was: $99.95Heckler & Koch Factory Burst Trigger Pack Armorer's Tool A must-have tool to maintain, disassemble, and reassemble burst trigger packs for cleaning and repair. This tool will save you a ton of time and will pay for itself on the first use. Compatible...Now: $89.95Was: $99.95 -
On Sale
HK UMP, G36 Selector Lever
HKP HK Parts
Now: $7.16Was: $8.95HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK Parts selector lever for the left side of our own 2 position FBI U.S housing for the UMP pictogram lowers. Compatible With: U.S FBI 2...Now: $7.16Was: $8.95