Lone Wolf Distributors Dawn Series, Stripped Slide for Sig P365XL, Optic Cut for Holosun 507K Footprint, Matte Finish, Black LWD-DAWN365XL-OC-B DAWN 365 slides from Lone Wolf were designed to take your SIG SAUER shooting experience to the next level. In addition to their superior performance" these slides are also drop-in ready for Lone Wolf DAWN 365 Barrels or OEM barrels as well as factory frames/grip modules. The DAWN 365 profile design features improved serrations as well as profile bevels and facets which work together to reduce snagging" resulting in quicker and smoother drawing without compromising compatibility with most P365 holsters.