The Mountain Tactical Elite Recoil Lug offers the additional strength of 17-4PH H900 stainless steel absorbing the recoil of the rifle instead of the light-weight aluminum alloy Tikka uses. If you remove the recoil lug from your stock, you'll see an upside down trapezoid appear over time. This dent eventually allows the action to move under recoil and degrades accuracy. The Elite Series Stainless Steel Recoil Lug is also machined to a larger dimension, yet still fits in the factory stock. This tighter fit results in increased rigidity between the action and the stock. The increase in consistency of the rifle is amazing!