This new 31mm modular scope series offers an amazing range of customization for the ultimate sight picture in any shooting condition. The AVX system offers a variety of components (some optional) to build out your perfect scope Archers may shoot with a Front Stepped Shade or a Torque Indicator If you want to shoot pins the Interchangeable Ring Pin is available in .010" & .019" in multiple colors for the brightest Pins Axcel has offered Rheostat Cover will allow for brightness control in varying lighting conditions The External Spacer is used when you're shooting a lens without pins Lens Spacer & Lens Retainer will sandwich a 31mm size lens Long Sunshade may be added for additional glare reduction and consistent light transmission Scope is ready to drop in a lens of your choice (sold separately) When shooting a lens only setup illuminate a center drilled lens, dot, or lens etching with two light ports designed for 8/32" threads Use an alternate light source through the Axcel T-Connection with a 3/8" x 32 thread Add or remove the Level Blank to control light transmission within scope body AVX Scopes are completely ambidextrous Includes: Scope with "T" Connector and 10/32" Stainless Steel Connection Rod AVX-31 Lens Spacer AVX-31 External Spacer AVX-31 Lens Retainer AVX-31 Level Blank AVX-31 Ring Pin Retainer