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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HK MP5 Trigger Pack - Single Stage Semi Auto - SEF
HKP HK Parts
$449.95HKP/H&K MP5 9mm Semi-Auto SEF Single Stage Trigger Pack This trigger pack starts as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single-stage trigger work. This is the best option for users who...HKP-21083$449.95 -
On Sale
Bolt Action Drake Bolt Knob - Midnight Bronze - 5/16x24 RH
Tactical Precision MFG
Now: $20.95Was: $39.99TPM - Drake Bolt Knob - Midnight Bronze These bolt knobs are made from aluminum and are finished in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: midnight bronze Threading:...HKP-20785Now: $20.95Was: $39.99 -
HK UMP 45 Magazine Spring - .45 ACP - 15 Round - US
HKP HK Parts
$9.95HK UMP .45 15 Round Magazine Spring Perfect for spares and to have on hand as these are consumable item that needs to be replaced from time to time. A must have item if you own a USC/UMP conversion or UMP.HKP-20679$9.95 -
HK UMP .45 Conversion Kit
$1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...HKP-20623$1,099.95 -
HK SL8 Magwell - Used - Gray
USA
$9.95HK SL8 Magwell - Used - Gray Used Magwell - Gray - SL8HKP-20056$9.95 -
On Sale
Picatinny Harris Bipod Adapter - Extended
HKP HK Parts
Now: $9.95Was: $19.95HKP Extended Harris Bipod Adapter Universal Picatinny rail Harris bipod adapterHKP-15374Now: $9.95Was: $19.95 -
HK MP5 Parts Kit - SEF Binary Trigger - Pistol Build - Receiver Flat and Weldment Set - 9mm
$1,859.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a...HKP-20523$1,859.95 -
On Sale
HK33, HK53, HK93 2-Stage Trigger Group - .223 - Complete
Timney Triggers
Now: $487.95Was: $548.95Timney Trigger Group for .223 - HK93 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...HKP-20512Now: $487.95Was: $548.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position 0,1,3 Pictogram Burst - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308
H&K Heckler & Koch
$0.00H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned Introducing the new Factory German trigger housing, designed for use in safe, semi, and burst configurations...HKP-20404$0.00 -
HK MP5, HK94 Trigger Group - Flat Trigger - 5 US Made Compliant Parts
USA
$489.95HK MP5/94 US Made Trigger Group 5 US Made Compliant Parts w/ Flat Trigger HK MP5/94 9mm Semi Auto Trigger Group Complete. Each Trigger Group incorporates the following 922r-compliant parts: US made sear US made hammer US made flat trigger US made...HKP-19938$489.95 -
HK USC, UMP Bolt Carrier - Semi Auto - 9mm - Incomplete
Michaels Machines
$499.95HK UMP 9mm - Semi-Auto Bolt Stripped The semi-auto bolt is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Features: Tungsten filled Heat treated Parkerized & polished Marked 9X19mm just...HKP-19871$499.95 -
On Sale
HK MP5F Parts Kit 3 Position Navy A3 - RARE
H&K Heckler & Koch
Now: $3,234.95Was: $3,599.95H&K MP5F Parts Kit 3 Position Navy A3 - RARE HK German MP5F A3 9mm Parts Kit Complete - USED 100% GERMAN HK MP5F correct parts the real deal and the most sought after parts kit available (Minus Receiver Of Course). Includes: 100% German Parts HK...HKP-19559Now: $3,234.95Was: $3,599.95