Precision 300 Series – Handed Mortise Exit Devices
Reliable Grade 1 Security for Demanding Commercial Doors
The Precision 300 Series mortise exit device delivers top-tier durability, smooth operation, and trusted life-safety performance for high-traffic commercial environments. Built with premium materials and certified to the highest industry standards, this handed exit device is ideal for facilities that require dependable egress and long-term security.
Built for Versatility
Designed for single and double door applications with a mullion, the 300 Series accommodates doors 1-3/4" to 2-1/4" thick and up to 4'-0" wide. Each device comes standard for a 1-3/4" thick, 3'-0" wide door, with options available for wider or thicker openings.
Durable, High-Quality Construction
Every component of the 300 Series is crafted for strength and longevity:
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Device Compatibility: Fully covers ANSI A115.1 (Type 86) mortise lock prep
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Covers: Cold-drawn bronze, brass, or stainless steel
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Chassis: Investment cast steel with zinc dichromate finish
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Arms: Forged brass or bronze
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Crossbar: Standard bronze, brass, or stainless steel tubing for a 3'-0" door; knurled and reinforced options available
Performance You Can Trust
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Dogging: Hex-key dogging standard (Panic hardware only)
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Handing: Specify RHRB or LHRB (standard pack ships RHRB)
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Listings: UL Listed for Panic and Fire Exit Hardware (complies with UL10C & UBC 7-2)
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ANSI/BHMA: Certified to ANSI 156.3, Grade 1
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Mortise Lock: Handed, fits ANSI A115.1 Type 86 prep with 2-3/4" backset
Additional lock details:
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Wrought steel case with zinc dichromate finish
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8" x 1-1/4" bronze, brass, or stainless steel pivoting front plate
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Stainless steel deadlocking latchbolt with 3/4" throw and anti-friction design
Crossbar height: 34-5/8" from the finished floor (adjustable as needed)
Available Finishes
Match your hardware to your facility’s design with six premium finishes:
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606 – Satin Brass
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612 – Satin Bronze
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613 – Dark Oxidized Satin Bronze
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630 – Satin Stainless Steel
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605 – Polished Brass
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625 – Polished Chromium
Why Choose the Precision 300 Series?
✔ Heavy-duty mortise security
✔ Smooth, reliable operation
✔ Grade 1 performance
✔ Customizable handing, finish, and sizing
✔ Ideal for commercial, industrial, and institutional facilities