(Mil-Spec) Ambidextrous Forced Reset Selector

This is the Atrius Ambidextrous Mil-Spec Forced Reset Selector, featuring a mil-spec selector switch and a traditional design that looks and feels great. Now featuring a switch on both sides so cloners, retro-builders, and lefties alike can enjoy this FRS option for their next fast-shooting platform.

It's the most robust solution on the market, enabling the user to have 3 positions: SAFE, SEMI (Traditional) and SUPER-SEMI. This Forced Reset Safety (FRS) is compatible with mil-spec/full-profile AR-15 (chambered in .223/5.56/.300 BLK) fire-control groups with no modifications required.

*Packaging will come in a M81 Camo Atrius bag. Please be aware of scams and copies on the market.

Was: $254.00
Now: $245.00
Ships within 1-3 business days
Availability: Limited to 5 units per purchase
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Manufactured In USA

PRODUCT SPECIFICATIONS

Precision-engineered from heat-treated 4140 steel, the Atrius Mil-Spec Ambidextrous FRS delivers uncompromising performance in a drop-in package. Experience forced reset technology without the wear and complexity of traditional FRT systems.

Features
  • Style: Mil-Spec w/ Ergonomic Ridges & Pointer for Position Reminder
  • Configuration: Safe, Semi, Super-Semi
  • Compatibility: Mil-Spec AR15 (.223/5.56/.300 BLK)
  • Installation: Drop-In Ready (No Modifications Necessary)
  • Manufactured in the USA
Materials
  • Finish: Corrosion-Resistant Black Nitride
  • Material: Heat Treated 4140 Steel
PRODUCT SPECIFICATIONS
Drop-In Installation

Drop-In Installation

Swap out your factory safety in minutes and experience the next level of firearm ownership.

Runs with Mil-Spec Fire Control Groups

Runs with Mil-Spec Fire Control Groups

Seamlessly integrates with standard AR fire control groups and some cassette style triggers.

Hardcore Durability

Hardcore Durability

Crafted from heat-treated, 4140 steel and coated in a corrosion-resistant black nitride finish. Rain, mud, sweat—it eats it all for breakfast.

No Modifications Necessary

No Modifications Necessary

No cutting your triggers. Ensures flawless function and longevity without modification.

Aggressive Ergonomics

Aggressive Ergonomics

Mil-spec style switch. Your fingers will find the familiar selector instantly, even under stress.

Atrius Forced Reset Selectors

Product Comparison

Product
Single Switch
Ambi Switch
Lever Blocker
Notes
FRS Standard / Single
Yes
Standard ergonomic switch for ease of use
FRS Mil-Spec / Single
Yes
Has mil-spec style switch
FRS Ambi
Yes
Great for left-handed users
FRS Ambi G-Lever
Yes
Yes
Has additional Geissele trigger compatibility
FRS Mil-Spec Ambi
Yes
Has mil-spec style switch on both sides

Compatibility

  • All Atrius FRS products have direct compatibility with mil-spec triggers that do not have a relief cut (U-notch).
  • They also are compatible with a wide variety of single-stage, drop-in / cassette style triggers as well.
  • The “G-LEVER” is the only FRS product that carries expanded compatibility to work with select Geissele triggers and similar products that feature a reduced hammer design.

Compatibility Note

Mil-spec style trigger groups without "U-notches" or relief cuts on the trigger bar/tail. Single stage drop-in cassette style triggers from companies like Rise Armament, etc.

View Full Compatibility Table

VIDEOS

Corrosion-Resistant Coating

Advanced black nitride finish

Machined & Heat-Treated 4140 Body

Military-grade steel construction for maximum durability

Positive Positioning Detent

Precise 90° indexing with tactile feedback

Product Reviews

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