Click to see full view
Weaver
Overview
The Weaver #57 Base is a black top mount base designed for securely attaching optics to your rifle. This base is essential for achieving a solid mounting platform, ensuring that your optics remain stable and true during use. You'll commonly find this base in builds that prioritize reliable sighting solutions for precision shooting or tactical applications.
Specifications
Price and stock
The Weaver Top Mount Bases - #11-#62 - #57 Base was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $6.62 at BattleHawk Armory for when it comes back.
Prices checked · refreshed daily across 37 retailers
Not sure which optic mount to pick?
We ranked every optic mount by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Optic Mount Guide →Check it against the live catalog:
Frequently Built With
Popular alongside optic mounts on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
No reviews yet. Be the first to review this product!