Arken Optics Targetlock TL3000 Weapon-Mounted Ballistic Laser Rangefinder

The Targetlock TL3000 is a compact, rail-mounted ballistic laser rangefinder that ranges out to 3,000 yards (2,743 m) and works the firing solution for you. Built for PRS competitors, long-range hunters and newer precision shooters, it pairs a 905 nm laser rangefinder with the DNT Ballistic Engine and Kestrel connectivity, then shows the result on a bright, anti-reflection-coated OLED display.

It sits low on the rail, weighs just 213 g, and is rated IP67 and for .50 BMG recoil. Buttons are laid out to be found with gloves on or in low light, and the supplied wired pressure switch lets you fire the rangefinder without moving your hand from the rifle. A co-aligned green visible laser makes zeroing the rangefinder quick and doubles as a close-range aiming reference.

Key Features

• Ranges to 3,000 yd (2,743 m) on a reflective target, 2,000 yd (1,829 m) on a tree trunk and 1,100 yd (1,006 m) on deer
• ±1 yd accuracy out to 2,000 yd, with 0.1 yd resolution
• DNT Ballistic Engine with 10 onboard ballistic profiles (slots A–J) and 6,000+ ammunition profiles
• DNT app for iOS and Android to manage profiles and receive over-the-air updates
• Kestrel connectivity over Bluetooth pulls live weather data into your solution, or enter wind and atmospheric data manually without a sensor
• Co-aligned 515 nm green visible laser for rapid rangefinder zeroing and close-range aiming
• OLED display with anti-reflection coating for readability in bright sunlight
• Included wired pressure switch for remote activation without changing your grip
• Mechanical rotary power switch (OFF / ON / L)
• IP67 waterproof and dustproof, rated for .50 BMG recoil
• Low-profile Picatinny mounting with the clamp pre-installed
• Bluetooth is on by default and can be switched off

Ballistic Solver

The DNT Ballistic Engine calculates a firing solution from the measured range, your saved profile and the environmental inputs. Each of the 10 profiles can hold zero distance, scope height, muzzle velocity, bullet diameter, weight and length, ballistic coefficient (G1 or G7), temperature, altitude, twist direction and twist rate.

Kestrel Compatibility

The TL3000 connects to compatible Bluetooth-enabled Kestrel weather meters, including the 2700 Ballistics, 5700 series (with LiNK), 5500, 5400 and 5000 (LiNK or Bluetooth variants), and legacy 4000, 4250, 4500 and 4500NV models with factory Bluetooth.

Mounting

The TL3000 mounts to a Picatinny rail. The recommended position is over the optic at 12 o’clock, above the riflescope, which requires a top-ring Picatinny rail. The unit ships with the Picatinny clamp installed and torqued at the factory. The cross-bolt nut takes a 12 mm hex bit and a torque wrench (not supplied), and Arken recommends 45 in-lbs (4 N·m).

Available Colours

• Black
• FDE (Flat Dark Earth)

What’s in the Box

• Targetlock TL3000 laser rangefinder
• Wired pressure switch kit
• 2 × rechargeable 16340 batteries (USB-C)
• Charging cable
• Mounting accessories
• Multi-tool
• Alignment target
• Lens cleaning cloth
• 3 × reflective stickers
• Quick start guide
• User manual

Note: a high-capacity CR123A battery is the suggested power source for the longest battery life but is not included. Scope mounts and top-ring rails are sold separately.

Specifications

Max ranging distance	3,000 yd (2,743 m)
Max range on tree trunk	2,000 yd (1,829 m)
Max range on deer	1,100 yd (1,006 m)
Ranging accuracy	±1 yd out to 2,000 yd; ±0.1% beyond 2,000 yd
Ranging resolution	0.1 yd
Rangefinder laser	905 nm, Class 1
Visible laser	515 nm green, Class 2
Ballistic engine	DNT Ballistic Engine
Profile storage	10 profiles (slots A–J)
Wireless	Bluetooth (on by default, can be switched off)
Wind meter compatibility	Kestrel
Mobile app	DNT app, iOS and Android
Display	OLED, anti-reflection coated
Power control	Mechanical rotary switch (OFF / ON / L)
Battery life (suggested CR123A)	5,000 single-pulse measurements, or 6 hours under RWDC
Battery life (included 16340)	3,000 single-pulse measurements, or 2.5 hours under RWDC
Dimensions (L × W × H)	92 × 59 × 35 mm (3.6 × 2.3 × 1.4″)
Weight	213 g (7.5 oz)
Mount dimensions (L × W × H)	42 × 45 × 15 mm
Mount weight	42 g (1.5 oz)
Mounting interface	Picatinny
Ingress protection	IP67
Recoil rating	.50 BMG
Operating temperature	-20°C to 50°C (-4°F to 122°F)

RWDC (real-world duty cycle): screen brightness level 2, one single-pulse measurement every 3 seconds at 500 yards.

Laser Safety

• The 905 nm rangefinder laser is Class 1 and eye-safe in normal operation. Do not stare into either aperture or aim the beam at anyone’s eyes.
• The 515 nm visible laser is Class 2. Do not stare into the beam.
• Only activate the visible laser with the rifle pointed in a safe direction at a backstop or target.
• Do not aim the green laser at mirrors, polished chrome, flat glass or windscreens.
• Do not view either laser aperture through magnifying optics such as spotting scopes or binoculars at close range.