Pellet Calibres & Configurations
In terms of calibre, the .177 is reserved for plinkers and fun-gunners. It's also the calibre of choice for outdoor HFT (Hunter Field Target) and FT (Field Target) competitors, while 10m indoor paper target punchers are mandatorily required to shoot flat-headed, .177 ammo. In Britain, around 75 per cent of hunters opt for .22. The larger calibres - .22 and .25 - remain the favourite with FAC shooters, a few of whom opt for .20.
	Roundhead The roundhead is still the best configuration for all-round use - regardless of calibre and power - and by far the most popular shape for UK airgunners.
	Flathead Dictated by 10m target shooting rules (.177) for its ability to punch clean holes in the target, many shooters choose a .22 flat-head for close range vermin control work.
	Pointed This is considered by most hunters for its perceived penetration qualities. Surprisingly, the conical head makes it less ballistically efficient and stable - but sales would suggest hunters overlook this.
	Hollow-Point Aimed primarily at the hunting market, this pellet's USP suggests maximum damage on impact and, therefore, makes it a firm favourite with field shooters.
	Round Ball Though not a true 'BB' shot size, 4.5mm round balls - steel, lead and copper coated - are mainly the domain of the fun-gunner, for use in low-powered smoothbore guns.