Talley Pic Anticnt Rem 700 La 20 Moa Game Mounting The fin shaped design removes the The fin shaped design removes the chance of the antenna getting snagged while the high impact ABS body ensures a longer life within harsh environments Dimensions (L x W x H) 13" x 13" x 1" Talley's christensen arms pic rails provide a mounting platform for all optics mounts that have been designed in accordance with the mil std 1913 pic rail specifications talley manufacturing's christensen arms picatinny rails are machined entirely from high grade 7000 series alloy and protected with a hard coat anodizing to 65 rockwell ensuring the craftsmanship of these picatinny rails last the lifetime of your firearm