Muzzle of .310 Cadet after firing 50 consecutive black powder duplex loads; no wiping between shots.

50m with.310 Cadet black powder duplex loads; no wiping between shots.  CBE 325 125 in 40-1 alloy.

No4 Mk II with issue sights, 100m, CBE 316 175 at 2400fps.  No, that is NOT a typo.  2400fps.

50m round ball group, .40cal Isaac Haines flintlock, liquid lube, 0.018 patches.