Rost Martin RM1S | 9mm | 3.6in | Optic Ready

The Rost Martin RM1S is a subcompact, striker-fired 9mm designed for discreet carry and everyday use. The package is optics-ready with an RMR-compatible plate included, allowing a micro red dot to be fitted without additional machining. For a slip-on micro red dot under $1,000 that suits the RM1S footprint, consider the Holosun 507K; it provides a compact sight picture and proven battery life while remaining within the stated optic-ready configuration. Typical applications include everyday concealed carry and routine range practice.

Product Specifications

• The caliber is 9mm.
• The model is listed as RM1S in the product attributes.
• The barrel measures 3.6 inches.
• The action type is Semi-Auto and the trigger system is a Double Action Striker (5 lb).
• The frame material is black polymer for reduced weight.
• The slide finish is nitrocarburized steel.
• The package includes an optics plate and is RMR optics compatible.
• The iron sights are described as rear black serrated / front white dot.
• The factory magazines included are (2) 10-round magazines.
• The overall length is 6.72 inches.
• The height with a flush magazine is 4.4 inches.
• The grip width is 1.1 inches.
• The unloaded weight with flush magazine is 19.76 oz.
• The product is described as California Compliant in the attributes.
• The UPC is 850067485162.

The RM1S blends a compact footprint with an optics-ready slide and practical ergonomics. Its striker-fired trigger and nitrocarburized slide offer a low-maintenance interface for everyday carry and range sessions, while the included RMR plate makes adding a micro red-dot straightforward. The combination of compact dimensions and two 10-round magazines gives a balance of concealability and on-hand capacity for lawful carry and training.

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