300BlkTalk

dowser wrote: ↑

Thu Aug 06, 2020 2:25 pm

gds wrote: ↑

Wed Aug 05, 2020 7:36 am

Nice, but I think I might have you beat.

3.75 inch

Sweet! Where did you source the barrel and gas tube?

Made them myself.

viewtopic.php?f=128&t=102049

Nice, but I think I might have you beat.

3.75 inch

What is the set up of the firearm?
I will assume an AR15 type.

You stated a piston system. Not my first choice for subsonic, but to each his own.

Length of barrel?
Position of gas port?
Diameter of gas port?

Did you per chance do any research before buying/building a 300blk piston system?

Spent a great time with my family yesterday. Grilled and cooked all day and got to play with my grandson. Who fell asleep while I was lighting fireworks. :lol: I am so thankful that thru all their faults, the founding fathers were willing to sacrifice all. So I could have a day like yesterday. https...

Sig220 wrote: ↑

Fri Jun 26, 2020 10:02 am

Great job and great pics!

What type of aluminum did you use for the upper?

The U channel is 6063-T52 and the square tubing is 6061-T6

And this is why some people should not be allowed to buy a drill press :shock: Not many people know this, but the reason gds is not capitalized is that they are not the OP’s initials. They represent what his parents were constantly yelling at him. “Gosh darn son, is everything a gun to you?” In pub...

Bolt Carrier, carrier with Charging handle. Charging handle was remade and heat treated after I bent the one in the picture. https://i.imgur.com/6KM7Euol.jpg https://i.imgur.com/2WghTUtl.jpg https://i.imgur.com/FUfXfqwl.jpg Lower. EP ARmory 80%., with buffer extension removed and pocket milled for a...

Upper




Top portion of upper
from front


From rear

Parts Break down


Front Trunnion



Barrel Attached


Barrel in upper

Field Stripped