The M4S1 Picatinny Handguard for AR15/M4 rifles is a mid-length framework and ergonomically designed with a polymer style. The M4S1 Handguard gives a lightweight, smooth, tech savvy outline. The M4S1 Picatinny rail allows for mounting strategic lights, slings, grasps, and so forth. This reinforced AR tactical accessory, the M4S1 Picatinny Handguard, gives durability without the additional weight. Designed with upper and lower handguard interlock sections, providing rigidity and stability.

      Provides two quick detachable sling swivel mounting points
      Includes 4 interchangeable rails and heat shields
      The M4S1 measures 1.96″ side rails and a 4.52″ bottom rail
      Bottom rail can mount to the front of the sling mount
      Equipped with two interchangeable  bottom 4” rails and 1.75” Picatinny rail for rail change
      Allows two removable 1.75” side rails allowing for mounting lights and lasers
     Includes sling swivel inserts for Push Button Sling Swivel

ECS Stock

ECS Rail Covers

ECS Grips

* Classic A2 style

• Reconfigures the squared shape of the AR-15/M4 magazine well into an ergonomic and comfortable grip option
• Gives AR-15/M4 receivers a distinctive aesthetic upgrade
• Easy installation
• Oil and solvent resistant
• Must have mil-spec trigger guard for installation
• Allows arms to stay close to the body for a very sturdy hold
• Cannot be mounted to lowers with permanent trigger guard