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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK MP5, AP5 Recoil Rod
MKE
$64.95MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...HKP-99343$64.95 -
HK MP5 Folding Stock or Brace - HDA3
Haga Defense
$349.95HDA3 Stock and Brace System for HK MP5, SP5 The HDA3 is a modular, USA-made stock and brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...HKP-22354-M$349.95 -
HK MP5, MP5K Barrel Flute Cleaning Brush - .40 S&W, 10mm
HKP HK Parts
$24.95HKP HK Parts Cleaning Brush - Barrel Flute - 10mm / .40 S&W This is a must-have brush to keep the flute clean and the firearm running the way it should. Compatible With: MP5 10mm and .40 S&W MP5K 10mm and .40 S&WHKP-22318$24.95 -
Out Of Stock
HK416 A5, MR556 A4 Barrel - 5.56 / .223 - 16.5"
H&K Heckler & Koch
$389.95H&K HK MR556 A4/A5 16.5" Barrel This 16.5" factory H&K MR556 A4 barrel is cold hammer-forged from high-quality steel for exceptional durability, accuracy, and longevity. Manufactured to Heckler & Koch’s exacting standards, it features a...HKP-21931$389.95 -
On Sale
HK416, MR556 Extractor - BLEMISHED
HKP HK Parts
Now: $24.95Was: $39.95HKP HK MR556/416 Extractor - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HKP HK MR556/416 extractor is a precision-engineered component designed...HKP-21826-BNow: $24.95Was: $39.95 -
Out Of Stock
HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28 - A5
Nefarious Arms
$594.95Nefarious Arms HK 416/MR556 14.5" A5 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting. Grab this expertly crafted barrel for your next SBR or pistol build. Compatible With: HK 416 (A5,...HKP-21590$594.95 -
HK G3 Incomplete Backplate - Painted
H&K Heckler & Koch
$29.95HK G3 Incomplete Backplate - Factory German G3 refinished backplate. A great replacement or spare to have around to replace your broken or worn out backplates. Please note you will need two rivets, nylon ring, recoil spring in order to...HKP-21541$29.95 -
HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95 -
On Sale
HK G36K, HK33 Compensator - KeyMicro - Threaded 15x1
JMAC Customs
Now: $86.95Was: $109.95JMAC 5.56 / .223 KeyMicro Compensator Threaded 15x1 for HK G36K and HK33 In order to use this device with a suppressor, it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with bore...HKP-21257Now: $86.95Was: $109.95 -
PTR Flat Tip Front Sight - Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...HKP-21103$84.95 -
HK G36 Complete Full Auto Slide
H&K Heckler & Koch
$24.95H&K HK G36 Complete Full Auto SlideHKP-16360$24.95 -
Out Of Stock
Picatinny Vertical Fixed Unigrip
B&T Brugger & Thomet
$119.00B&T Brugger and Thomet Vertical Fixed Unigrip for Swiss made B&T vertical forend grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material:...HKP-18043$119.00