Pro Shot - Action/Chamber Cleaning Kit Case Holder Delta Stryker 1-10x28 FFP -

Delta Stryker 1-10x28 FFP - SDOG-1 Rifle Scope

001" and laser-etched reference lines

25" (58mm) - DRFT6

Material: Sponge-like foam pad surrounded by a hard plastic case

This points to you having a very tight chambered gun and would assume either an improperly cut reamer or a chamber that was cut below Min Chamber Dimension headspace

Pro Shot - Action/Chamber Cleaning Kit Case Holder Delta Stryker 1-10x28 FFP -Designed to clean locking lug recesses, breech face, action rails & chamber. The cotton roll adapter rod is used with cotton rolls to clean the locking lugs. The chamber rod may be used with a chamber brush or bore brush with a patch. A double end nylon utility brush is included to clean the bolt face and locking lugs.