BCM bolt wear

>>29429281

y'know the part where they say their bolts are high pressure tested?

how do you think they do that?

>>29429281
>2016
>Knuckle tattoos
Felons pls go

>>29429316
I was thinking the same, but that's super excessive... That doesn't look right... Like a lot of primer gas cutting over time not right...

>>29429281
did you buy an upper? They tell you they test fire it to make sure it works. Mine came slathered in lube, I was pretty happy I didn't really need to do much but slap it on a lower.

>>29429388
Yeah I bought the KMR and added the bolt and charging handle because they're both high quality and just didn't think this looked right. Figured y'all would have the answer.

>>29429419
if you're not comfortable with that, email them the pic. Maybe pics of the breach, too.

>>29429465
I'm going to email them just to confirm that it's normal but I wanted everyones opinion on it. I got /arg/ opinion on most of my build.

>>29429281
that primer ring is probably not normal

does it wipe off?

>>29429547
No it doesn't. The bottom of the BCG also has some wear. I'll take a pic.

File: 20160329_200428-1.jpg (3MB, 2236x2236px) Image search: [Google]

3MB, 2236x2236px

>>29429547
Bottom of BCG

File: 20160329_200434.jpg (3MB, 5312x2988px) Image search: [Google]

3MB, 5312x2988px

>>29429648

File: IMG_20160326_235941.jpg (3MB, 2952x2952px) Image search: [Google]

3MB, 2952x2952px

They test fire them. Mine came a little dirty.

That's what happens when you buy overpriced BCM trash

AIM sells nitrided bolts for $89
Start there

>>29429648
>>29429676
That wear looks excessive for just testing. I got a CMMG bolt that was also tested, and its coating was uniform.