Swampman700 . Come in from the rain. Ive shot Deer out of a side lock 45-50-54 cal the 45 cal 70 gr with a maxi CVA Kentucky 50 CVA,TC 90 gr an round balls, Maxi, an Sabot. The 54 100 gr maxi farwst was with a side lock CVA Striker . Now these guns all had what was called then acrat shot,Replace the nipple an use this screw in in place of the nipple an use a rifle primmer . Now its called a Mag Spark which use a 209 primmer but still a hammer style . The cleaning is the same as said above an u still have to oil it an Breach plug verse the Nipple, mag spark, or accara shot. Now the 45 took a deer one shot down 10 feet 128 yards.Never in 42 years with these guns have I shot that far again