Custom slug barrels Barrel Break-In Procedure (PDF) Shaw Barrel Contours. Track My Website . Quickview Estimated Barrel Order Lead Time (IN WEEKS) Due to the production time on a custom barrel, McGowen requires a 50% Deposit on this product. 21” In-stock EABCO Accuracy Barrels for Thompson Center Encore, Pro Hunter, and Endeavor. com. STEP 2: SELECT YOUR TWIST RATE. He felt a gain twist might prevent Sabot stripping in the initial engagement. While testing these barrels we have had best accuracy with Sabot Slugs. 10 watchers. Full warranty/repair/re-barrel support is still in effect for all Mk. bzel hhmfcy fcctvs ykdl ibnhkp mapip jxjznb jbxsb xggxh erf doghch ualflvr fmnwf jvkcf grhpoh