Shotgun Barrel Seals for Remington 1100 or 11-87 20ga LT or LW, O-ring 3 pack Made in the USA, high quality replacement o-rings for Remington part number F14437 Fits Remington models 1100 and 11-87 20 gauge LT and LW shotguns. *These o-rings do not fit 20 gauge Standard models.* Chemical-resistant fluoroelastomer, 75A durometer Item packaged in resealable 3x4 plastic bag