(4 Pack) Remington O-Ring Replacement Barrel Seals [OEM Graphite Coated] (Model 1100 12 GA， 11-87 12 Gauge)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Replacement o-ring for Remington 1100， 11-87 12 Gauge </span></li><li><span class="a-list-item"> Highest grade synthetic rubber o-rings with graphite coating replace old， worn， or cracked orings to provide a proper seal and restore gas system reliability. This is the same material used by Remington when your firearm left the factory. </span></li><li><span class="a-list-item"> Used to resolve blow back issues with 12 gauge gas ports for Remington 1100 &amp; 11-87 shotguns </span></li><li><span class="a-list-item"> Material has high temperature， compression， and operational tolerances. Up to 316 C (600 F) and down to -54 C (-65 F) </span></li><li><span class="a-list-item"> Also available in an 8 pack for an even better value: http://amzn.com/B015HTISTS </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41NqPdT8sDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SdatiRiPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wmRnp-hZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Y7iKAIqwL.jpg" noproxy>