I reload low pressure shells for my Damascus guns I clean them don't over oil them I load 7/8 or one ounce at around 1200 fps I have been shooting old guns for 45 years .I completed with a 16 bore ml back in the 70s and 8os never broke a stock or had lose hammers or bulges but I didn't buy junk I had a nice greaves another guy who completed shot a Gibbs no problems