Doubles

[Lane]

I can post this here, because we are all family and I know I won't get flamed. Chastised, yelled at, cursed, but not flamed.

A few weeks ago I added a new fire control parts to my Mil-Spec project: Ed Brown hammer and sear, Ed Brown disconnector, EB Sear Spring, EB hammer strut, EB high ride beaver tail GS and a new EB trigger. All were installed, and I took it shooting and everything worked perfectly. I was very pleased - no problems after about 150 rounds.

Over the weekend, I spent a bit more time blending the GS, and added a new EB barrel bushing - oversized, so it had to be fitted. It's all together, with the bushing being nice and tight (takes a bushing wrench to turn it.) Didn't touch (other than assemble/disassemble) the sear/disconnector/etc.

Went to the range this morning, and followed my normal "I've been tinkering" process. Load and fire one round. Load and fire two rounds and it fires both - almost to the point of only making one sound. Cleaned pants. Load and fire - very carefully - three rounds. First round fires OK - second two double.

So, now I'm paranoid - and being very careful, try to take an engineering approach to trouble shooting. I'm gripping very tight and expecting a double every time (which shot my accuracy all to hell). But I can't consistently make the gun shoot doubles.

As I shot, I would get doubles very inconsistently - one every other mag or so (at this point, I'm loading full mags and gripping like a mad man). Never more than doubles. Also, two or three times the hammer is left half-cocked vs. full cocked.

So, here's what I'm thinking could be the cause:

1. When I reassembled my gun last night, I lubed it, but I didn't clean it first. I'm thinking that I may have some gunk that's making the sear stick and not engage the hammer.

2. I could have issues with the EB sear/hammer set up, but since it worked well before, and I didn't muck with it since, I'm not convinced it's here.

3. The barrel bushing is too tight? Long shot, but I've got the old one and it'd be easy to prove. The bushing is the only new part in the equation, so it must be on the suspect list.

What are the thoughts/rants/ings from the group? BTW - I know that right now, this is a VERY dangerous gun, I'm I'm treating it very carefully. I never had a slam fire, but I was very careful to have a good grip and be down range every time I racked it.

Let me have it!!

Lane