This is an aluminum Palmetto State Armory D&H 30 round AR-15/M16 magazine for 5.56/.223
Aluminum, 6061 – T0 Body. Resistance welded to US Military Specifications.
Aluminum Magazine Body is Heat Treated to T6, then Hardcoat Anodized.
The Magazine Body is Black Teflon.
Spring is 17-7PH Checked for Compression with a Chatillon Gauge.