Ships to FFL
About the Rost Martin RM1S Comp 9mm 3.6" Barrel 15-Rounds Optic Ready
Product Overview
The Rost Martin RM1S Comp 9mm is a purpose-built, optics-ready sub-compact pistol designed for the discerning shooter who demands performance in a concealable package. Chambered in 9mm Luger, this model represents a significant evolution in the defensive handgun category, blending a compact 3.6-inch barrel with an integrated compensator system for enhanced control. This specific bundle configuration is an exceptional value, arriving range-ready with a pre-installed Viridian RFX-11 green dot optic and four total magazines (one 12-round and three 15-round). It is ideally suited for everyday concealed carry, home defense, and dynamic range training, offering a feature set typically found in custom-modified firearms directly from the factory.
Key Features
- Integrated Compensator Slide & Match Barrel: The 3.6" match-grade barrel features a crowned muzzle and is paired with a slide designed with an integrated compensator. This system strategically vents gasses upward to counteract muzzle rise and felt recoil, allowing for faster, more accurate follow-up shots.
- Optic-Ready System w/ Viridian RFX-11: The slide is milled and ready to accept a micro red dot, and this bundle includes the Viridian RFX-11 green dot optic installed. The green dot provides a high-contrast, rapid-acquisition sight picture, superior in various lighting conditions compared to traditional iron sights.
- Enhanced Capacity & Flexibility: With a standard capacity of 15+1 rounds and the inclusion of four total magazines, this package offers substantial firepower and minimal downtime. The mix of one 12-round and three 15-round mags allows the user to configure for maximum concealment or maximum capacity as needed.
- Sub-Compact, Semi-Automatic Platform: The RM1S utilizes a proven blowback-operated, semi-automatic action in a sub-compact frame. This balances shootability with concealability, making it a practical choice for all-day carry without sacrificing performance.
- Superior Control Geometry: Engineered with an ergonomic grip and a low bore axis, the pistol naturally points and sits in the hand to improve shooter control and mitigate recoil impulse, complementing the work of the compensator.
Performance & Applications
Everyday Concealed Carry: The RM1S Comp's sub-compact dimensions make it an excellent choice for concealed carry. The compensator and optic system aren't just for competition; they provide tangible benefits in a defensive context by helping the shooter maintain sight picture and deliver controlled, accurate strings of fire under stress. The included 12-round magazine offers a flush-fit option for deeper concealment when required.
Defensive Training & Range Use: This bundle is arguably the ideal configuration for serious practice. The reduced muzzle rise and clear optic sight picture accelerate skill development, allowing shooters to focus on fundamentals like trigger control and presentation. Having four magazines significantly streamlines range sessions, enabling more time shooting and less time reloading.
Home Defense Preparedness: When configured with a 15-round magazine, the RM1S Comp serves as a capable, maneuverable home defense tool. The green dot optic is particularly advantageous in low-light home environments, providing a fast-aiming solution. The compensator's reduction in muzzle rise can be especially beneficial for shooters of varying experience levels who may need to manage recoil in a high-adrenaline situation.
About Rost Martin
Rost Martin has established itself as a serious contender in the firearms industry by focusing on innovation and direct value. Rather than relying on legacy branding, the company invests engineering resources into functional enhancements like integrated compensators and optic-ready systems as standard features. Their approach demonstrates a clear understanding of modern shooting trends and a commitment to providing those advancements at accessible price points.
Technical Specifications
| Manufacturer | Rost Martin |
| Caliber | 9mm |
| Magazine Capacity | 15 |
| Barrel Length | 3.6 |
| Action Type | semi-automatic |
| Sights | optic ready |
Shipping, returns and FFL transfer
- Firearms ship only to a licensed FFL dealer you choose at checkout, never to a home address. You pick it up there with photo ID after the ATF Form 4473 and background check. The dealer charges their own transfer fee.
- Shipping is $29.99 per order, free on orders over $999. Orders usually leave within 1–3 business days after payment clears and we have your dealer’s license.
- A firearm can be returned before transfer; once transferred it cannot be returned for a refund, but the maker’s warranty still applies.
Full terms: shipping and FFL transfers · returns and refunds · FAQ · contact us.
Buying this in Arkansas
Arkansas buyers pick this handgun up at a licensed dealer after a NICS check, with no permit and no waiting period; federal law sets the dealer minimum at 21. Read the guide
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