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SKU: HDM4v1556 Category:

At HD Defense, our purpose is to empower our clients with the ability to be in control of their safety and defend themselves and loved ones. We expect to be a resource for you and your family. Our promise to you, our customer, is to be honest, courteous, professional, and provide an unmatched level of personalized service.

We don’t have any “off the rack” firearms.  Our products all have varying levels of customizations and for that reason, nothing is assembled and made until you order it.  We want the opportunity to speak with you to make sure that what you’re ordering is EXACTLY what you want.  For this reason, we MUST be in contact with you for ALL firearms orders.  We will not begin to process your order until we have been in touch with you.  This is our way of ensuring you are receiving the highest level of service possible.

Steps to place an order for a firearm can be found on our FAQ page located here.

If you have any questions or concerns about this product or the ordering process itself, please do not hesitate to contact us directly. We’re here to make your experience easy and, most importantly, fun.

The HD Defense HDM4v1

The HDM4v1 is built on the unwavering belief that you can have a great foundational platform without needlessly breaking the bank! Equipped with a Billet HD Defense Lower Receiver, 13.5″ light weight M-Lok freefloating Handguard, 16: 4150CMV 1:7 Twist Melonite coated mid-gas barrel, Carpenter 158 BCG. It also features a Magpul MOE stock and grip. This allows the end user to get into a great platform to use immediately or build to their spec!

  • Muzzle: A2 Flash Hider
  • Handguard:13.5” Free float handguard
  • Metal Finish: Anodized
  • Receiver Material: Billet 7075 Aircraft Grade Aluminum
  • Receiver Extension: 7075 Aluminum USG MILSPEC Contract
  • Stock: Magpul MOE
  • Pistol Grip: Magpul
  • Front Grip: None
  • Sites: Magpul MBUS
  • Barrel: 16” 4150CMV 1:7 Twist Melonite Coated Mid-Gas 556NATO
  • Trigger: Made from 8620 Steel Investment Casting then final ground as per MILSPEC
  • Bolt Carrier Group: Carpenter 158

We can offer additional features and accessories. Please contact us for more information.