!IMPORTANT! CoMPATIBLE WITH PLANET ECLIPSE S63™ BARREL BACK COLORS { "__shgImageV2Elements": { "uuid": "s-b1b93a59-11d2-4d11-b599-7f08eaac60e8" } } INSERT SIZING { "__shgImageV2Elements": { "uuid": "s-39c00904-654b-4d06-bc54-de02d75f511d" } } Select bore size based on paint dimensions, desired air efficiency and weather conditions. Diameter .679 .681 .683 .685 .687 .689 .691 Length 8.5" { "__shgImageElements": { "uuid": "s-23e516c1-0143-476b-8e8e-07e8f8a1414f" } } More info PWR Inserts SELECT SIZE DESCRIPTION The S63™ Compatible NANO Barrel tip fits all Planet Eclipse S63™ Barrel backs. S63™ Nano Barrel Tip features 700+ optimized micro porting to reduce sound signature while eliminating water and debris being drawn into the bore. All weather performance now available for the stock S63™ barrel back. S63™ trademark is owned by Planet Eclipse Ltd. FEATURES + Weather resistant NANO porting + Reduced sound signature + 1.5 oz (tip only) + Compatible with all S63 barrel backs + 14.5" overall length + Type 2 anodized + Precision bore broaching PRODUCT CARE !WARNING! Always use an approved barrel cover (BBD) and chronograph before play