Evolution Gun Works HD Picatinny Scope Mount Savage Round Back Long Action & Slug Gun 0 MOA. The HD Savage by Evolution Gun Works provides extreme durability machined from 7075 air craft aluminum and a low profile Rifle Scope mount design. The EGW HD Savage Mounts features full length cross-slot Picatinny rail for the best compatibility and optimal Rifle Scope placement for the best eye relief. Be sure to see the full line of EGW mounts along with mounts rings & bases from other top brands. Specifications for Evolution Gun Works HD Savage Round Back Picatinny Rail Scope Mount: Compatibility: Savage Material: 7075 Aircraft aluminum Features of Evolution Gun Works HD Picatinny Scope Mount Savage Round Back: Machined from 7075 aircraft aluminum Full length cross-slots to true picatinny specifications Lower profile (approx. .100" lower than the standard mounts) TORX screws provided with TORX allen key Two-stage hard coat anodizing Package Contents: Evolution Gun Works HD Picatinny Scope Mount Savage Round Back Evolution Gun Works 80330: HD Savage Round Back Long Action & Slug Gun Picatinny Rail Scope Mount 0 MOA