Strike Industries SMC Springfield Armory Echelon 4.5in Bravo Chassis Black. 5 the premier ergonomic upgrade designed to enhance the Echelon platform with superior recoil management and extreme modularity. Built for sport competitive and professional use the Bravo chassis offers a streamlined accessory-ready foundation. The chassis features Dynamic Control for optimal recoil management and integrated Picatinny rails at the front bottom and Rear Module Backstrap for seamless mounting of lights lasers and other accessories. Maintenance is simplified with a design that remains true to the Echelon's ease of use while adding the rugged versatility Strike Industries is known for. Specifications for Strike Industries SMC Springfield Armory Echelon 4.5in Bravo Chassis: Manufacturer: Strike Industries Color: Black Finish: Picatinny Chassis Material: Polymer Gun Make: Springfield Armory Gun Model: Springfield Armory Echelon 4.5in Length: 10.18 in Height: 4.41 in Weight: 6 oz Width: 1.44 in Features of Strike Industries SMC Springfield Armory Echelon 4.5in Bravo Chassis Dynamic Control: Integrated system for enhanced recoil management and flatter shooting. Ambi QD Sockets: Rear-mounted sockets with a loop-thru design for lanyards or paracord. Accessory Ready: Front bottom and Rear Module Backstrap Picatinny rails for tactical modularity. Manual Safety Ready: Compatible with manual safety versions (area must be removed as indicated). Enhanced Ergonomics: Sculpted for superior control and handling during rapid fire. Tool-less Takedown: Simplified maintenance and configuration changes. Package Contents: Strike Industries SMC Springfield Armory Echelon 4.5in Bravo Chassis What firearm models does the manufacturer say Strike Industries SMC Springfield Armory Echelon 4.5in Bravo Chassis is compatible with? The manufacturer suggests that Strike Industries SMC Springfield Armory Echelon 4.5in Bravo Chassis is compatible with Springfield Armory Echelon 4.5inStrike Industries SI-SMC-B-SAE-4.5-BK: SMC Springfield Armory Echelon 4.5in Bravo Chassis Black