Dec 28, 2013 · The ZM4 upper and lower receivers, machined by DSA from 7075-T6 alloy forgings, are designed to mate perfectly with no play or jiggle, and then given a nice-looking Type 3 hardcoat anodizing.

DSA AR15 ZM4 Stripped Lower Receiver Specifications: Machined from 7075-T6 Alloy Forging Mil-Spec Dimension Hardcoat Anodized Mil-A-8625F Type III Class 2 Finish Caliber Marked 5.56 Selector Marked: Safe - Fire - Auto Flared Magazine Well Proper Pivot Pin Drain Hole

DS Arms AR15 ZM4 16″ 5.56 Rifle is part of DSA’s WarZ Series, the pride and joy of the ZM-4AR product line. WarZ Series rifles feature premium match barrels machined from 416-R Stainless Steel or 4150-11595 Mil Spec Steel.

This D.S. Arms (DSA) Model ZM4 is a right hand semi-auto rifle in 5.56 NATO Cal. It has a FN 20 inch HS MP barrel with a muzzle break and a 1:7 twist. An adjustable post front sight with protective sides and an adjustable aperture rear sight. The butt stock is adjustable/telescoping. The full pistol grip is a textured black polymer.

DSA ZM4 Mid-Length AR15 Carbine - Lifetime Warranty , Please click on the image for more details.

DS Arms AR15 ZM4 Service Series 5.56x45 - 18" MK12 Mod 1 Foundation Rifle Features a Ballistic Advantage 18" 5.56 SPR Rifle Length AR15 Barrel w/ Ops 12 Cut, Performance …

How much is a DSA Inc ZM4 worth? In 2025 a new or used DSA Inc ZM4 value varies depending on supply and demand. In the last 12 months there is great demand for a DSA Inc ZM4 and most rifles. The Price for a DSA Inc ZM4 has increased in cost by $0.00 in 2025 compared to 2024.

This D.S. Arms (DSA) Model ZM4 is a right hand semi-auto rifle in 5.56 NATO Cal. It has a FN 20 inch HS MP barrel with a muzzle break and a 1:7 twist. An adjustable post front sight with …

Model ZM4 Complete Lower Receiver With Mil-Spec Stock Assembly. Includes A2 grip, M4 style stock, buffer tube, buffer, buffer spring, retaining plate, trigger group, hammer, selector and everything else needed for a complete lower. Will fit any AR-15 .223 Rem/5.56 NATO sized upper reciever and magazines.

Sep 30, 2009 · I ordered one of these on 9/11 - received it today. DSA ZM4 Forged 7075T6 A3 AR15 Upper Receiver - DSZM4CBU-D S Arms Aesthetics & First Impressions...