FR-1 RDM Size:Trijicon RMR The two key differences are:

The two key differences are:

The new fine-tuned Bastard port and internal manifold produce a softer and sonically smoother recoil impulse by shaping the sound

the Little Tuna is your guy

Start by removing the jam nut on your APA Gen 3 Little Bastard Muzzle Brake

Choose the 30 or 308 variant for any cartridge with a

FR-1 RDM Size:Trijicon RMR The two key differences are:The FR1 Red Dot Mount allows the user to pair a Red Dot Sight with the FR1 Accessory Cap for quick down range target acquisition.. Made From 6061 T6 aluminum Type III Hardcoat Anodized Teflon impregnated. Mount integration: The FR1 Red Dot Mount design incorporates 3 pins pulled at a 45 degree angle using APAs enhanced 8 40 screw. This provides a component of force both down and angular into the 3 points for unprecedented repeatability and strength.