Product Description Huskemaw Optics 20SFC416: Huskemaw Flip-up Scope Lens Caps for 4-16x42 Blue Diamond scopes have a flexible rubber ring to prevent them from slipping off and are spring activated. Husk 20SFC416 4-16X42 Bludia Flipup SCP Lens CAP at Classic Firearms Browse all Classic Firearms deals $29.99 In Stock at Classic Firearms Buy Now at Classic Firearms Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Huskemaw Optics MPN 20SFC416 Accessories Huskemaw Optics