BuckRail BuckChrony Muzzle-Mounted Chronograph Moderator Powered By NateChrony

Powered by NateChrony SteadyShot Light Gate Technology
 
This one is awkward to explain until you realise what it actually is. Underneath the clever packaging, the BuckChrony is a NateChrony SteadyShot V2. The difference is that BuckRail, the Texas-based selective laser sintering wizard, has wrapped that electronics package inside a fully functional nylon-printed moderator body. The result is an all-in-one chronograph and silencer that finally makes sense.
 
Instead of clamping a chronograph in front of a moderator, or messing about with barrel adaptors, this is the moderator. The projectile is measured first using NateChrony’s light gate system, then the remaining air is moderated afterwards. Simple idea, oddly rare in the real world.
 
NateChrony SteadyShot Core Technology
The electronics inside are straight from the SteadyShot platform, which is widely regarded as one of the most accurate muzzle-mounted chronographs available.
Professional-grade accuracy: Certified by the National Measurements Institute with <1fps variance at 1000fps
Accelerometer-based stability tracking: Records shooter movement across hundreds of data points
Light gate velocity measurement: Immune to shot angle errors
Barrel-mounted alignment: No tripod nonsense, no missed shots
Wi-Fi connectivity: Uses a clean browser interface, no app installs
Data export: Share, print, or email results directly
OTA updates: New features without new hardware
 
Designed and manufactured in Australia, the NateChrony SteadyShot comes with a 1-year warranty and a well-deserved reputation for being extremely accurate.
 
BuckRail Moderator Integration
BuckRail’s contribution is the 38mm nylon-printed moderator body, produced using selective laser sintering. Thousands of fused nylon layers create a single rigid structure that is lightweight, strong, and dimensionally consistent.
 
The moderator section is fully modular:
Supplied with 4x 20mm baffles
Maximum length: 186mm
Shortened configuration: 126mm with a single baffle
Chronograph-only length: 106mm
 
The baffles can be added or removed as required, depending on whether you care more about sound reduction or keeping things short and tidy.
 
Threading and Alignment
Supplied with 1/2"UNF rear thread adapter
Integrated grub screw retention allows the body to be loosened, rotated to the desired orientation, then locked back down
No shims, no guessing, no crooked logos
 
Weight and Power
One of the standout features is the weight. The complete unit comes in at 130g, which is frankly ridiculous given what it does. That is the benefit of proper sintered nylon rather than chunky aluminium.
 
Power is supplied via 5V USB-C (not included), either from a phone or an external battery bank.
 
Optional Extra
BuckRail also offers an optional battery mounting solution:
ANKER NANO battery clamp (battery not included)
Mounts via Picatinny, M-LOK, or Velcro strap
Designed specifically for on-gun power supply
 
Why This Exists
If you chronograph regularly, use a moderator, and are tired of juggling adapters, offsets, and questionable alignment, this solves all of that in one go. Chrono first, silence second, minimal weight, no compromises. It is one of those products that makes you wonder why it was not done sooner.
 
Specifications:
Thread: 1/2" x 20 UNF
Calibre Compatibility: 4.5mm to 5.5mm
Length: 186mm
Diameter: 36.5mm
Weight: 130g
Core Diameter: 7mm
Material: SLS Nylon 12
Finish: Matte Black 
Chamber Style: Modular 4x cone Baffle
Serviceable: Yes