Below are details of the American Flat Bow (AFB) style as detailed by the NFAS.
A one-piece bow, of any draw-weight, may be used where the braced limbs curve in one
direction only from the handle riser to the string nock. When braced the string must not come
into contact with the face of either limb except at the nock grooves. The limb cross-section
may vary from oval to rectangular.
The handle may incorporate a cut-away of less than centre-cut to provide an arrow-shelf and
the shelf may have a protective cover.
The bowstring may be of different colours as long as the coloured strands run continuously
and evenly throughout the string’s length, but the centre serving must be of one colour. One
nocking position is permitted (which may be indicated by nocking points both above and below
Brush buttons and silencers are permitted but no other knots or attachments (in addition to the
sting serving) that could be used for sighting or location purposes are allowed. No additional
vibration dampeners are allowed on or in the handle section or limbs of the bow.
One anchor point must be maintained throughout the shoot. The “Mediterranean” loose only
is permitted. No draw-checks of any kind are permitted.
No internal or external stabilisers are allowed.
No form of release aid is permitted.
No deliberate marks can be added to the bow that can be used for aiming.
Arrows shafts must be of wood, fletched with natural feather.
No archer may refer to any memoranda which could in any manner be a means of improving
his or her score.