Key Features ALPHA2 One-Piece Scope Mount – rigid one-piece platform holds your optic stable and keeps the reticle level for consistent accuracy Four-Screw Ring Design – four screws per ring keep the optic from shifting under recoil Secure Picatinny Attachment – retained by 1/2" lock nuts that lock the mount solidly to a Picatinny rail Aircraft-Grade Aluminum – durable, low-profile construction that holds up in the harshest conditions Two Ring Sizes – available in 30mm and 34mm — select using the dropdown above DescriptionThe SIG SAUER ALPHA2 One-Piece Scope Mount provides a stable, low-profile platform that integrates your optic with your rifle without adding unnecessary bulk. The one-piece body with a four-hole ring design is retained by 1/2-inch lock nuts that secure it to a Picatinny rail, and the four-screw rings keep the scope from moving under recoil. Machined from aircraft-grade aluminum, it delivers long-lasting performance in tough conditions.Choose the ring size to match your scope tube — 30mm or 34mm — using the dropdown above.Specifications ▼ Construction Material Aircraft-grade aluminum Design One-piece Mount Picatinny Attachment 1/2" lock nuts Screws per Ring 4 Ring Sizes Available 30 mm / 34 mm Model Numbers SKU SOA20001 / SOA20003 Package Includes ✓ALPHA2 one-piece scope mount ✓Ring screws and rail lock nuts