Atrius Single Lever Forced Reset Selector for AR-15 Style Firearms

The Atrius Forced Reset Selector gives AR-15 users three selector positions: SAFE, SEMI, and FULL SEMI. It is designed for mil-spec fire control groups in .223, 5.56, and 300 BLK and uses a mechanically leveraged reset that reduces internal wear compared to traditional forced reset systems. The single lever configuration installs in minutes and provides fast, positive selector engagement under hard use.

Includes:

• Selector assembly
• Single lever
• T10 selector screw
• Selector spring

Features:

• Simple drop in installation that replaces the factory safety
• Works with standard AR15 mil spec fire control groups without modification
• Leveraged reset action that reduces internal wear
• Heat treated 4140 steel with a corrosion resistant finish
• Smooth tactile movement with a clean 90 degree throw
• Secure selector positions that prevent movement during firing
• Ergonomic lever with fast indexing under stress
• Made in the USA

Specifications:

• T10 selector screw with 4 40 thread
• Recommended torque is 15 inch pounds using blue Loctite
• H2 or H3 buffer recommended
• Requires a lower receiver with an FA pocket or a low shelf
• Requires an FA profile bolt carrier group
• Requires a mil spec trigger with a squared rear surface and no relief cut

Compatible With:

• AR-15 platforms using mil-spec fire control groups in .223, 5.56, or 300 BLK
• Verify compatibility for your specific AR here: Compatibility
• NOT compatible with HK416, MR556 
•  

May Require Gunsmithing:

• AR-9 variants
• Firearms modified to Super Safety specifications due to dovetail tolerance and limited cam engagement

Not Compatible With

• AR-10 LR308 or SR25 platforms

Please Note:

• Installation and any modifications should be performed by a qualified gunsmith
• Incorrect installation or use outside intended specifications may cause unsafe operation
• All use is at your own risk

Legal Notice and Disclaimer:

By purchasing this product, you confirm that you understand and follow all laws that apply to you. Atrius Development Group and HKP do not guarantee legality in your location and are not responsible for misuse or legal violations.

Restricted States:

• CA, CT, DE, FL, HI, IL, MA, MD, MN, NJ, NV, NY, OR, RI, VA, WA, DC
• No US Territories or international orders.