Modern Sporter - Build Discussions

Those are the same bolt carriers I'm going to be using. Let the thread know what ended up working, I'll probably be building mine next week or so once it's back from cerakoting
 
ColinD said:
Those are the same bolt carriers I'm going to be using. Let the thread know what ended up working, I'll probably be building mine next week or so once it's back from cerakoting
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Ironically this was covered for a bunch of people in the first production run as well. The Brownells Lightweight carriers have so much material slabbed off the side, they skip right past the little knob on the dust port covers. I see it as two possible options:
1) Let/Trust the brass to knock it open. I see this as having the potential to introduce jams though which I don't love.
2) Add material onto the backside of the dust port cover so that it IS contacted by the lightweight bolt carrier.
 
I remember reading about that BCG, combined with the SI dust cover causing trouble, both of which I'm using. Didn't realize that the light weight BCG was the root cause, and not necessarily which cover was used.

I have the perfect epoxy ready to use.
 
or, hear me out here guys...you couldnt just not use a dust cover since theyre generally not necessary unless youre crawling through dirt/mud or trekking through a dust storm. Trips to the range, or walks in the woods or up a mountain, especially not under time constraints or stress means you dont really need one. Just my casual 2 cents
 
I mean if you say so. None of my AR builds have dust covers. I think it looks cool and Ive never had debris enter the ejection port.
 
The JP Enterprises Aluminum Ultra Light Bolt Carrrier works fine for opening a port door. It is by far the lightest carrier I have found, keep in mind it will wear and it's a consumable item. I have one in my 6.5 Grendel upper, got about 400 rounds through it. I'm guessing it will last 3000-5000 rounds.
 
HotSoup said:
or, hear me out here guys...you couldnt just not use a dust cover since theyre generally not necessary unless youre crawling through dirt/mud or trekking through a dust storm. Trips to the range, or walks in the woods or up a mountain, especially not under time constraints or stress means you dont really need one. Just my casual 2 cents
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Lol I have been running my AR without one for a couple years now.

Function has not been affected.
 
Bfranklin said:
Lol I have been running my AR without one for a couple years now.

Function has not been affected.
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I don't doubt that one bit. Unfortunately, our AR's are range toys and all things considered a restricted rifle a pretty pampered tool.

I know 1 of my MS's will be used and abused compared to my other ones. Dust cover would be necessary, imo.
 
Does anyone know how I can remove the rear takedown pin and what is required to fit an aftermarket pin like a KNS or V Seven titanium pin? I am receiving my rifle soon and would like to buy some pins beforehand.
 
KHTL said:
Does anyone know how I can remove the rear takedown pin and what is required to fit an aftermarket pin like a KNS or V Seven titanium pin? I am receiving my rifle soon and would like to buy some pins beforehand.
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Drilling things out would be required... would probably want to send to ATRS to make that modification. I just went through this dilemma myself, decided to just keep the original there for simplicity's sake.

You can still swap out the front one no problem, I decided on the BAD Titanium ones and will probably just use the rear one on an AR.
 
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