Last one! New condition; never used Gloss black. .265" opening. Fits 16mm barrels. 6" long. These sleeves are no longer being made. Bought a number of these around 15 years ago. No trades, third party, or international sales. Will ship in a USPS small rate box for $8.10 CONUS. Buyer pays shipping charges. Paypal FF/Good and Services (+3.3%)/Venmo. Asking $60 + shipping.