Anyone know of a shop that does trigger work in the 107a1s. Want to look at my options for a better trigger pull.

I would be interested in knowing as well.

The way the trigger works on the 82a1 family of rifles, getting a smoother lighter pull is most likely lead to bump fires.

The engagement surfaces of the firing pin extension and the sear are cut after heat treat to give a smoother surface. You can lightly stone the 2 engagement surfaces with a ruby stone to get a glass smooth surface. But you are still lifting the transfer bar in the trigger housing and the sear pice in the bolt carrier.

Plus, the bolt carrier needs a little up and down play to reliably cycle. You are in a small way lifting the carrier just a touch.
Charge the rifle on an empty chamber. Look at the rear of the carrier from the right side of the rifle as you pull the trigger. You will see the carrier lift a very small amount. I forget now how much carrier lift there is supposed to be. But it needs a small amount of up and down lift and a small amount of side to side play to run reliable.
Nature of the beast.

Best bet is to ruby stone the 3° surfaces of the sear and firing pin extension.  Go easy and check often.

After striking out trying to get my 82 trigger worked on, I found an old school armorer at a local military base that was willing to look at it.
While it was a little better, it wasn't close to my Serbu semi auto factory trigger and not even in the same hemisphere as the serbu lower with the 1 lb set trigger.
Sold the 82 right after I got the Serbu and never looked back.

SJC

I think the M82 has the worst trigger of all the guns I own... and I've got some real shit in the back of the safe.

Lin Schryver was the name 10+ years ago. I wonder what his method was.

See my post above. I couldn't say it as I was working at Barrett at the time. He emailed me and asked. I gave him the helping tips to use.
Stoning the mating surfaces of the search to the area it rides in the carrier is another step.

@50cal

Didn't K&P barrels do a tune up on M82's in the past?

Don't know if they still offer it, someone might have to call.

Yes they did. They were also the only company that Barrett would sell a bolt and barrel extension as to rebarrel an 82A1 with their barrel.

He had a coating that did not change anything on the mating surfaces.. . Just made the pull smoother... I have it in my gun...Was one of the early adopters...

Think it was this stuff.

Micro Blue

Bill Springfield

https://triggerwork.net/50-barrettbrowning.html

Anyone have feedback on his work?

He did my HK trigger packs years ago with no issues so far.

I was about to say... he's well known in the HK world.  This is the first I've heard his name brought up relating to a Barrett.

Did anyone ever get their trigger worked on?

I’ve heard hit a miss about his stuff. Don’t really want to send my carrier and trigger parts unless I hear someone with good reviews.

I’d be pretty hesitant to mess with them knowing you’ll never end up with a true match trigger.

I used a ceramic stone to smooth up the sear engagement surface. It fixed the grittiness, but it's always going to be a heavy pull by design.