ProMag DPMS LR-308 20rd Steel Magazine .308 Win

The ProMag DPMS LR-308 magazine is a 20-round detachable steel magazine designed for DPMS LR-308 and SR-25 pattern AR-10 rifles. The magazine body is constructed of heat-treated steel with a protective finish described variably in source data. A chrome-silicon wire spring and a precision-molded polymer follower are specified to support consistent feeding.

Key Specifications

• The caliber is .308 / 7.62 NATO.
• The capacity is 20 rounds.
• The material is listed as steel.
• The finish is described in source material as black phosphate / blued / oxide (conflicting descriptions).
• It fits DPMS LR-308 and SR-25 pattern AR-10 rifles.
• The spring is made from chrome-silicon wire.
• The follower is a precision-molded polymer.
• The country of origin is listed as US.
• The weight is listed as 0.45 (unit not specified in source data).

This ProMag magazine provides a straightforward, serviceable feeding solution for AR-10 style platforms that use the DPMS LR-308/SR-25 pattern. Its steel body and chrome-silicon spring are specified to support reliable operation in routine shooting and range applications, making it a practical spare or replacement magazine for users who carry or train with AR-10 pattern rifles.