TACFUN Picatinny Scope Mount for FN/FAL The FN/FAL Picatinny Scope Mount fit both metric and inch pattern FAL rife. Black anodized aircraft grade aluminum; Accepts all standard Stanag / Picatinny 1913 accessories; Accepts all standard Weaver rings; Open rear design allows for easy removal of bolt and carrier assembly; Stress free lockdown system Length 8.5" Weight 8.3 oz.