Irrational

Though you sound not (at least not too)--note that the slip-ons come in different sizes for different butt stock dimensions. For instance, Gaico comes in at least 3--see:
http://www.midwayusa.com/s?targetLocation=%2F_%2FN-19500%3FNo%3D0%26Np%3D2%26Nr%3DAND%2528p_visible%253A1%252Ccustomertypeid%253A1%2529%26Nrpp%3D72%26Ns%3Dp_metric_sales_velocity%257C1%26Ntpc%3D1%26Ntpr%3D1

Best

Berrien