F.A.B. Defense RAPS Fixed Buttstock, Mil-Spec Diameter, Integrated Cheek Rest and adjustable Length Of Pull, Black FX-RAPS The Rapid Adjustment Precision Stock (RAPS) incorporates the mandatory features of a precision stock: integrated cheek rest and adjustable length of pull (LOP)" but with the added benefits of easy manipulation" reduced weight and cutting edge features and materials. The RAPS enables any size shooter to engage their target from any position" in a quick and precise manner. The RAPS allows for a wide range of adjustment that can be done with one hand while keeping your eyes downrange using a patent-pending 1-Latch system" and is the first of its kind with a memory feature that returns the adjustable LOP to its pre-set position. The RAPS also features an integrated cheek rest with a height adjustment of up to + 1.65" and a generous non-slip rubber butt-pad with 0.4" of height adjustment. Manufactured from extremely durable polymer composite" the RAPS will withstand years of hard use under adverse conditions. Fits both AR-15 and AR-10 platforms" and is compatible with either fixed or multi-position buffer tubes via the use of interchangeable inserts.