Rules and Classes USA Production Class: Shooting will be off bags, bi-pods or a mechanical two piece rest, where the adjustment knobs are not used during the course of fire.
USA Hybrid Class: Shooting will be off bags, a bi-pod or an adjustable front rest. Front rests using electrically actuated or power components are allowed.
USA Open Class: Front rests using electrically actuated or powered components are not permitted. One piece rests are allowed.
USA Unlimited Class: Front rests using electrically actuated or powered components are allowed. One piece rests are allowed. .
USA Spring Piston Class: Rests: Two piece rests are allowed as referenced in Section B8.1-B11 of 2014 WRABF. Exceptions: Bipod use is allowed.
(2) USA international rifle classes, Light Varmint and Heavy Varmint, outlined in the
www.wrabf.com rule book.
WORLD & EUROPEAN RIMFIRE & AIR RIFLE BENCHREST RULES 2013 - 2021 Rests: A front rest shall only support the front portion of the rifle. The rear rest shall only support the rear portion of the rifle. Neither rest may be attached to the bench, the rifle or each other i.e.: Both parts shall be moveable independently of each other.
B. 8.1 Front Rest: Generally the front rest or pedestal does not have restrictions in terms of weight, material and design for these devices. (See APPENDIX G)The front rest must incorporate a pliable bag containing sand.The front portion of the rifle shall contact no portion of the rest (other than a stop at the front of the rest that can be used to locate the distance that the rifle is moved towards the target) other than the bag containing the sand. The bottom of the fore end of the stock must form a 100% contact with the top of the sand bag. The rest can incorporate vertical and horizontal adjustments, with any appropriate mechanism used to achieve this.
B.8.2 Rear Rest: To be a bag or series of bags containing sand. The rear bag can incorporate a vertical spacer (donut) as long as it does not contain horizontal or vertical adjustments. The vertical spacer shall not contain any protrusions which can be inserted into the bench top or the sand bag. The rear bag/s shall not be contained in any way.
B.9 Sand Bag: Sand bags must be made of leather and/or cloth (i.e. Condura) which are filled with sand, pliable and this material will be a maximum of 3mm or 0.12 inches in thickness across its general surface, the base only can be thicker for stability. Thickness can be tested at the seams of the bag. Solid leather, plastic or wooden bags covered in leather/material is not permitted Anti slip surfaces on the bags may be utilized. Talc or non slip compounds/ tapes can be used to aid tracking of the rifle.
9B.10 Restraint of Rifles: When rifle is raised straight up, the front and / or rear rest must not rise up with rifle. If the front and/ or rear rest raises up with rifle, the front and / or rear rest must be weighed with rifle to determine-eligibility. The Rifle can also be slid back and forward to determine if it’s being clamped in the rest.Front and/ or rear rifle rest cannot be used to restrain recoil of rifle. In general none of the competitor’s equipment may be attached to the bench. Tape on the sandbag is legal.
B.11 Guiding means: Any device, addition, contour or dimension on a rifle, designed to co-act with any equipment to guide its return to the firing position, without the necessity to re-aim the rifle optically for each shot shall be deemed illegal