Ask any of your ex Bisley shots and they'll confirm that the gravel is better than the grass as at least it drains away, doesnt rain much at Bisley and if it isnt you are getting sunburnt. The gravel is a clue in target riflemens nicknames: Gravelbellies.
Plenty of SMLEs in our two clubs, HBSA and LERA, most varieties on show and since the demise of self loaders we seriously study our historics and plenty have cut offs including the No1 MkV and MkV1.