THE ENFIELD. 



317 



Fig. 70 a a represents a section of the two barrels, of the 

 exact size adopted, the bore being forty, and the grooves 

 being wide and very shal- 

 low; they are accurately 

 fitted by the wings on the 



Fig. 70. 



ball b. On the wing it- 

 self there is a very slight 

 shoulder c, three-eighths 

 of an inch from the base, 

 and this giving way be- 

 neath the ramrod ensures 

 an exact fitting of the ball 

 to the groove, so as to 

 avoid windage altogether. 

 The turn is one in six feet, 

 and for sporting purposes 

 at sporting ranges that 

 is, at anything not exceed- 

 ing 300 yards this variety 

 is, in my opinion, one of the best, as it gives a sufficient spin 

 without any unnecessary friction, and very little elevation of 

 the sights is required. The weight of the whole rifle is 

 SJlbs. ; length of barrels, 32in. ; bore 40. Weight of ball, 

 f of an ounce; charge of powder, 2|drs. 



SECTION OF PURDEY RIFLE, AND 

 VIEW OF BALL. 



THE ORDINARY TWO-GROOVED RIFLE. 



Next in simplicity, but far infe- 

 rior in efficiency, is the two-grooved 

 rifle, intended for the old spherical 

 ball, with a single belt fig. 71 a, 

 or with a cross belt, as in fig. 7 1 

 b; but these are now almost en- 

 tirely given up in favour of Pur- 

 dey's ball, or of some one or other of those which 

 presently describe. 



THE ENFIELD. 



BELTED SPHERICAL BALLS. 



I shall 



Thirdly comes the Enfield rifle, which has three grooves, 

 cut slightly deeper at the breech than at the muzzle, and 



