How can I turn an A2 FSB into an adjustable gas block?

[LavaRed]

Inquiring minds need to know.
Thanks,
LavaRed

[JFettig]

Not enough meat in a standard A2 gas block but ones that do have the meat, I drill and tap 6-32 thread into the port just above the barrel, its .295" forward from the shoulder and .500" from the centerline of the barrel, install set screw.

Here are some examples to look at.
http://www.rainierarms.com/?page=shop/d ... ct_id=3183
http://media.midwayusa.com/productimage ... 775354.jpg
http://blogs.militarytimes.com/gearscou ... 00x333.jpg

This one goes in from the end
http://www.midwayusa.com/product/321768 ... teel-matte

[ChimeraPrecision]

I'm going to drill and tap 2 holes 90 degrees apart.

1 to obscure the orifice, and a second hole for brass set screw to lock the orifice screw down. Just like the seekins.

Ideally the gas adjustment would be toward the muzzle so you can adjust with hand guards in place

[JohnnyO]

I made this one from Ti and used SLR's adjustment system

[Historian]

I made this one from Ti and used SLR's adjustment system

Excellent work!

Compliments.

Thanks for showing.

May I say that your results satisfy Chuck Berry's advice: "Johnny Be-Goode"

<< http://www.youtube.com/watch?v=AEq62iQo0eU&feature=kp >>
1956 Cadillac Sedan de Ville, windows down, music blaring, real Presidents
like Ike, Kennedy, etc.

[gunny50]

I made this one from Ti and used SLR's adjustment system
[/url]

Johnny, are you done with the parts that attach to this nicely machined block and adapter?

Gunny

[JohnnyO]

No not yet

[LavaRed]

Thanks guys! The knowledge is greatly appreciated.