Description
The ProMag DRMA33 drum magazine is a drum-style feeding device intended to fit the Sig Sauer P365 and P365XL platforms. Its housing is molded from a proprietary DuPont Zytel-based polymer and incorporates steel components in the feed area for reliable engagement. The magazine follows common factory design points with a full-length steel internal insert and an injection-molded follower to manage cartridge alignment. Springs are formed from heat-treated stainless steel, and the assembly is listed as Made in USA.
Key Specifications
The magazine is listed to fit Sig Sauer P365/P365XL.
The drum housing is constructed from DuPont Zytel-based polymer.
The magazine upper tower contains a full-length steel internal insert that is stamped and welded like the factory magazine.
The magazine uses an injection-molded follower for consistent feeding.
The magazine spring is formed from heat-treated stainless steel.
The finish is listed as Black.
The listed model designation is Standard (DRMA33).
The product is noted as Made in USA.
This drum magazine offers a polymer-bodied alternative to factory magazines for P365-series pistols, with steel reinforcement where feeding reliability is critical. Its construction balances durability and weight for range use or extended-capacity needs, while the injection-molded follower and stainless-steel spring are intended to maintain consistent feeding under normal operating conditions.
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