Rooftop Defense RDM4 Forged Stripped Lower Receiver


SweatshopSpeed™ — Order by 3PM Central for Same Day Shipping
No Backorders, All In-Stock Items are Ready to Ship

Ship time is 2-3 weeks after ordering. Thank you!

Out of stock

You must register to use the waitlist feature. Please login or create an account

Rooftop Defense RDM4 Forged Stripped Lower Receiver

Our RDM4 stripped lower receiver is an excellent starting point for a hard-use rifle.

This stripped AR-15 lower is forged and machined from highly durable 7075 aluminum. Finished in a matte, hardcoat anodizing. It is fully compatible with Mil-Spec lower parts and made to our specifications. Made with an M16 pocket for your fire control group.

Marked ‘RDM4’, ‘5.56mm’ and ‘ROOFTOP CARBINE’.


  • Forged 7075 aluminum
  • Hardcoat anodized
  • Compatible with Mil-Spec AR-15 lower parts

This is a regulated item and requires shipment to a Federal Firearms License holder. After you have placed your order, please have your order number and a copy of your preferred store’s FFL emailed to to avoid delays. After I have received their FFL, I will ship your order as soon as possible!


There are no reviews yet.

Be the first to review “Rooftop Defense RDM4 Forged Stripped Lower Receiver”

Your email address will not be published. Required fields are marked *