BT-1 TRIGGER
As hunters, we place a premium on feel and reliability—which is why we set out to design the single-stage, adjustable drop-in BT-1 trigger.
The BT-1 satisfies the most discriminating of shooters with its fully adjustable (3.0 lbs. to 6.5 lbs.) pull weight. The BT-1 feels “smooth”—and breaks “crisp.” “Smooth and crisp” is universally agreed upon by all serious hunters and target shooters of what defines a premium trigger.
The BT-1 hammer strike has sufficient power to ignite the tougher cup primers used by today’s MSR ammo manufacturers.
Every Brenton trigger is hand tuned and test fired (at our test bench) for optimal performance by one of our expert trigger technicians as the final quality check before it’s ready for delivery.
In stock
Features
- Single stage – traditional, simple and field proven reliable
- Pull weight – (shooter adjustable) from 3.0-6.5 lbs
- Consistency – All critical wear surfaces are coated with diamond hard, Black Nitride®, for protection and long service life
- Feel – Brenton triggers are designed and built by hunters for hunters. As hunters, we put a premium on feel and reliability. Brenton triggers feel smooth and break crisp with sufficient power to ignite tough MSR primers
- Uses standard .154 diameter mounting pins
- Will work equally well with standard pins, KNS™ pins or JP™ pins
- Drop in and go design, no tuning necessary
- Fits most AR-15 and AR-10 rifles
Installation
- Unload rifle and verify empty chamber.
- Un-couple upper assembly from lower assembly and set aside.
- Remove OEM hammer, trigger, and safety from lower assembly.
- Drop in Brenton BT-1 trigger module and insert both cross pins.
- Tighten the two tensioning screws which protrude from bottom of the BT-1 module using 3/32” Allen wrench.
Note: do not overtighten as this can strip heads on the tensioning screws. - Reinstall OEM safety and test both safety and trigger for function.
Note: do not dry-fire hammer against front face of the receiver as this can cause permanent damage to your lower. - Couple upper receiver with lower receiver and test for function.
Adjustment
- Unload rifle and verify empty chamber.
- Un-couple upper assembly from lower assembly and set aside.
- From topside, loosen lock screw with 3/32” Allen wrench.
- Adjust spring tension screw to the desired trigger pull weight with 5/64” Allen wrench.
- Tighten lock screw. Do not over-tighten.
- Check trigger and safety function. Note: do not dry-fire hammer against front face of the receiver as this can cause permanent damage to your lower.
- Couple upper receiver with lower receiver and test for function.
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