In its lowest posture the stock will allow for the use of iron sights or even the stock is often elevated up to one.twenty five″ larger to be used with mounted optics. This stock system functions an improved magwell aid which allows for much easier operation of any M14/M1A magazine. https://sage-m14alcs11740.dsiblogger.com/59236471/the-best-side-of-m14-ebr-stock