The Atrius Development Group Mil-Spec Ambidextrous Forced Reset Selector is a three-position AR-15 selector designed with mil-spec-style controls on both sides of the firearm. It provides SAFE, SEMI, and SUPER-SEMI selector positions while retaining a traditional selector profile and ambidextrous operation. :contentReference[oaicite:0]{index=0}
This configuration is manufactured from heat-treated 4140 steel with a corrosion-resistant black nitride finish. Atrius specifies compatibility with mil-spec/full-profile AR-15 fire-control groups in .223 Remington, 5.56 NATO, and .300 Blackout configurations, with the ambidextrous mil-spec-style switch providing access from either side. :contentReference[oaicite:1]{index=1}
Specifications
- Brand: Atrius Development Group
- Model: Mil-Spec Ambidextrous Forced Reset Selector
- Product Type: Ambidextrous AR-15 Selector
- Manufacturer Part Number: ADG-FRS-AMBI-MS
- UPC: 850079014091
- Item Number: 202051
- Configuration: Ambidextrous
- Selector Positions: SAFE, SEMI, SUPER-SEMI
- Compatibility: Mil-Spec / Full-Profile AR-15 Fire-Control Groups
- Compatible Calibers: .223 Remington, 5.56 NATO, .300 Blackout
- Material: Heat-Treated 4140 Steel
- Finish: Black Nitride
Features
- Mil-spec-style selector switches on both sides
- Three-position selector configuration
- Ambidextrous control layout
- Heat-treated 4140 steel construction
- Corrosion-resistant black nitride finish
- Designed for compatible mil-spec AR-15 fire-control groups
Benefits
- Ambidextrous controls provide selector access from either side of the firearm
- Mil-spec-style switches retain a familiar selector profile and feel
- Heat-treated steel construction provides a substantial selector assembly
- Black nitride finish provides corrosion resistance for the steel components
- Clearly defined compatibility helps customers determine whether the selector matches their AR-15 configuration
