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 UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight Complete
H&K Heckler & Koch
Now: $41.36Was: $45.95HK USC and UMP Rear Sight Complete Compatible With: USC. 45 UMP 9mm UMP .40 UMP .45Now: $41.36Was: $45.95 -
On Sale
HK91, G3 Handguard - Slimline Style- Used Surplus
H&K Heckler & Koch
Now: $13.46Was: $14.95Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsNow: $13.46Was: $14.95 -
HK91, G3 Trigger Group - 5 U.S. 922 Parts
PTR
$369.95HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...$369.95 -
On Sale
HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm
HKP HK Parts
Now: $183.96Was: $229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...Now: $183.96Was: $229.95 -
On Sale
HK MP5K/SP89/SP5K 9mm Rear Sight Drum
H&K Heckler & Koch
Now: $71.95Was: $79.95HK German MP5K, SP89 & SP5K Factory Rear Sight Drum New factory correct German HK MP5K, SP89, and SP5K rear sight drum. Compatible With: MP5K SP89 SP5K Other custom builds or clones Please Note: Many shooters prefer to upgrade to the MP5 rear...Now: $71.95Was: $79.95 -
Out Of StockOn Sale
HK MP5, HK94K, SP89 Firing Pin
POF
Now: $22.45Was: $24.95HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...Now: $22.45Was: $24.95 -
On Sale
HK MP5 Cocking Tube - 9mm
H&K Heckler & Koch
Now: $98.95Was: $109.95H&K MP5 9mm Cocking Tube New factory German HK uninstalled part directly from HK Germany. Rare and hard to find. Compatible With: MP5, 94, SP5 MP5 clones or other custom buildsNow: $98.95Was: $109.95 -
On Sale
Hand Stop Kit - XTM
Magpul
Now: $17.95Was: $19.95Magpul XTM Hand Stop Kit The four-piece XTM Hand Stop Kit is a lightweight, low-profile rail-mounted index point for improved weapon control or as a forward stop to prevent the shooter's hand from reaching the hot front sight assembly or muzzle. The kit...Now: $17.95Was: $19.95 -
On Sale
HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto
H&K Heckler & Koch
Now: $40.46Was: $44.95Full AutoTrigger Pack Elbow Spring W/ Roller This item is a factory HK German replacement part.Now: $40.46Was: $44.95 -
On Sale
HK MP5 Handguard - Single Rail
B&T Brugger & Thomet
Now: $179.95Was: $199.95B&T Brugger and Thomet Single Rail Handguard for HK MP5 The MP5 from Heckler & Koch is one of the most widely used submachineguns. B&T offers a selection of handguards for the MP5, the MP5SD and the MP5K in order to mount tactical lights or...Now: $179.95Was: $199.95 -
Out Of StockOn Sale
HK91, G3 Barrel - 7.62x51 - 17.7" - Threaded 5/8x24
RCM
Now: $238.49Was: $264.99RCM HK G3/91 Threaded Barrel - 5/8x24-CHE Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for that HK build or to replace that shot out barrel. Each...Now: $238.49Was: $264.99 -
On Sale
KCI 30 Round HK MP5 9mm Magazine - TiN Coated
Now: $89.95Was: $99.95KCI 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated KCI magazines. Each magazine begins as a regular 9mm, 30 round mag that is expertly disassembled, coated with durable TiN, and meticulously reassembled for optimal...Now: $89.95Was: $99.95