THREAD ADAPTER 3/8X24-1/2X28 Manufacturer Model Number: KSA61-2M38 Manufacturer: Keystone Sporting Arms Model: Thread Adapter Type: Accessory-Parts Item Type: Accessory Finish: Blue Shipping Weight: 0.05 Feature: Adapter 3/8x24 to 1/2x28 Feature: Fits Mini Mosin/Mini 1903 Optic Adjustable Objective: false Optic Reticle Illuminated: false