Model 4/15 Free Float Mid Length Quad Rail System: 1.Fits Mid Length Model 4, 15 and 16 Rifles 2.6061 Aircraft Aluminium

MTS0001  Model 4/15 Free Float Mid Length Quad Rail System1) Easy and Quick Installation2) Four Side Universal Rail , Plenty of Slots3) New Designer 45 Degree Side Mounting Base4) Fits Mid Length Model 4, 15 and 16 Rifles 5) Machined Out of Premium 6061 Aircraft Aluminium6) Lightweight, Durable and Solid Fit