Posted on November 30, 2020February 19, 2021 by The Shooters Barn Premium Barrel Breech .22 Pn-S538 4 x Premium Replacement Barrel Breech Seals Pn-S538Barrel Breech Seals fits 0.22cal S310. S400, S410, S510, HFT500, TDR & MPR. Pn-S538£3.20 Free delivery to mainland UK for overseas please contact us for a quote Share this:FacebookTwitterEmailWhatsAppLike this:Like Loading... Post navigationPrevious post: Premium Replacement Barrel Breech FP121Next post: Premium Filling Adaptor Seals Pn-S474