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
HK91, G3 Bolt Head Complete - US Made
Now: $134.95Was: $149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...Now: $134.95Was: $149.95 -
Out Of StockOn Sale
HK MP5 Brush - 10mm / .40 S&W - Chamber Flute
H&K Heckler & Koch
Now: $26.95Was: $29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...Now: $26.95Was: $29.95 -
On Sale
HK MP5SD Parts Kit - Pistol Build - 9mm - Receiver Flat & Weldment Set
HKP HK Parts
Now: $1,799.96Was: $2,249.95HKP HK MP5SD Kit - Pistol Build - 9mm MP5SD 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. This is the first time that these iconic kits have been...Now: $1,799.96Was: $2,249.95 -
On Sale
HK MP5 Parts Kit - 10mm - Pistol
HKP HK Parts
Now: $1,603.96Was: $1,879.95HKP HK Parts HK MP5 Parts Kit - 10mm - Pistol With Flat, Top Rail, and Weldment Set - 10mm HK Parts MP5 Build Kit is the best priced value available anywhere. There is a limited supply and they will be gone before you know it. The MP5 10mm parts kit...Now: $1,603.96Was: $1,879.95 -
On Sale
Ergo M-LOK Hand Stop
Ergo
Now: $49.46Was: $54.95M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all M-LOK style forearms or...Now: $49.46Was: $54.95 -
On Sale
HK33, HK53, HK93, MP5 A2 Fixed Stock
H&K Heckler & Koch
Now: $125.95Was: $139.95H&K 93,33,53 and MP5 A2 Fixed Stock This H&K G3 stock section and buttpad combo is designed to enhance the functionality and comfort of your HK 93,53 and MP5 firearm. The stock section provides improved strength and stability, while the...Now: $125.95Was: $139.95 -
On Sale
AR M-LOK Hand Stop Laser - Green
Viridian
Now: $161.06Was: $178.95Viridian AR M-LOK Hand Stop Laser - Green Viridian, the leader in weapon-mounted technology, is responsible for a number of firearm innovations - including green and red laser sights. Viridian's new HS1 is the world's first AR hand stop with an...Now: $161.06Was: $178.95 -
On Sale
HK MP5K, SP89, SP5K Mounting Arm, Tailhook Mod 1
Gear Head Works
Now: $184.45Was: $204.95Gear Head Works HK MP5K, HK SP5K Tailhook Mounting Arm Want the look of the original MP5k-PDW but without the stamp. Now you can have not only the look, but the same quality and operation in a pistol brace as the real stock. We teamed up with the...Now: $184.45Was: $204.95 -
On Sale
HK416, MR556, G36, SL8 Gas Piston
USA
Now: $71.95Was: $79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...Now: $71.95Was: $79.95 -
On Sale
HK G36 Magwell
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K HK G36 Magwell - Black Factory German G36 magwell. Great for a replacement component or a critical piece of the puzzle when converting an SL8 to a G36. Compatible with factory HK and Magpul G36 magazines alike. Compatible With: HK...Now: $71.95Was: $79.95 -
On Sale
HK417, MR762 Handguard - Extended Picatinny
H&K Heckler & Koch
Now: $591.26Was: $656.95HK MR762, HK 417 Extended Picatinny Handguard Complete HK German manufacture. Each unit comes with both of the mounting screws. HK's extended 13" rail allows for longer sight radius and more rail space for your MR762 or HK417. The MR762 comes from the...Now: $591.26Was: $656.95 -
On Sale
HK416, COLT M4 Magazine Spring - .22LR - 10 Round
HKP HK Parts
Now: $2.36Was: $2.95HKP 10 Round HK 416/COLT M4 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Walther/Umarex 416 & Colt 10 round 22 LR...Now: $2.36Was: $2.95