Nice job McGyver 👊🏾😂 that’s pretty bad a$$ I’ve had to resort to using my cheap questionable reading chrony because of this issue but you are a genius.
Magnetospeed on M1A USGI flashhider
There have been a couple threads on this but here is how I got my Magnetospeed to fit on an M1A with USGI flashhider.
The problem is that the sensor will not clear the long flashhider on the M1A. It needs to move forward an inch or so, but the bayo lug is in the way.
Basically I got a second set of spacers and trimmed to fit so that the sensor clears the flashhider with slid forward behind the bayo lug.
Turn the I-shaped spacers into a T-shaped spacers.
To compensate for the small step between the flashhider and barrel i used a thin piece of silicone and it bit of glue.
This is all 3 plastic spacers and the thicker rubber one. I cut them on a miter saw but they try to kick so i'd use a hand saw next time.
I have not seen it slide around under recoil.
The the sensor seems like its a bit low from the bore axis but i get good reading on normal sensitivity. I guess the 1/8th spacer could be removed it ever becomes and issue.
It is so handy to be able to just go chrono a few loads when i have time at the indoor range.
BTW i use a laser boresighter and piece of paper to gauge the clearance between bullet and sensor.
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The problem is that the sensor will not clear the long flashhider on the M1A. It needs to move forward an inch or so, but the bayo lug is in the way.
Basically I got a second set of spacers and trimmed to fit so that the sensor clears the flashhider with slid forward behind the bayo lug.
Turn the I-shaped spacers into a T-shaped spacers.
To compensate for the small step between the flashhider and barrel i used a thin piece of silicone and it bit of glue.
This is all 3 plastic spacers and the thicker rubber one. I cut them on a miter saw but they try to kick so i'd use a hand saw next time.
I have not seen it slide around under recoil.
The the sensor seems like its a bit low from the bore axis but i get good reading on normal sensitivity. I guess the 1/8th spacer could be removed it ever becomes and issue.
It is so handy to be able to just go chrono a few loads when i have time at the indoor range.
BTW i use a laser boresighter and piece of paper to gauge the clearance between bullet and sensor.
