Ar15 Gas Block Roll Pin Installation
Started to install the gas block tube pin using jewelers needle nose pliers and gave the pin a couple taps and the pin slipped out of the jaws of plier and of course disappeared into the hole where dryer socks go to never be seen again.
Ar15 gas block roll pin installation. Greetings ar15armorers im nearing completion of my first ar15 upper. Got all my parts in finally to finish my ar15 using 24 bull barrel. At least they did on the barrel i received from them last year. The block holds the gas block to allow the roll pin starter punch to start the roll pin.
Brownells ar 15 front sight bench block two working sides for installation removal. Either method you choose it is highly recommended. Gas block genie install an ar 15 gas block the easy way. When installing the gas block on the barrel simply make sure the two pencil marks are lined up and you should have a perfect alignment of the gas system.
The process went wel. Proper gas block alignment is on of those tasks on an ar 15 that on the surface looks simple and theoretically is but the devil is in the details. Interesting inexpensive and reusable tool for proper gas block alignment. In this diy video i will show you a tool to make roll pin installation on ar s easy to do.
It s a little tough to line up the hole inside the tube with the hole in the block unless you use a slave pin. Ba uses a straight coiled spring pin to pin the gas block to the barrel. Gas block fixture w roll pin starter is designed for installing the gas tube and inserting the roll pin into the gas block. Im trying to install the pri low profile adjustable gas block and having a heck of a time with the roll pin.
I think the pin diameter was around 1 8. Just spotted this on brownells. I use regular flat punches roll pin starter punches and roll pin punches but a regular set of punches will work just fine that s all i used for years. The tools you need.
I went with the slr rifleworks adjustable gas block 936 id to match the mid weight criterion barrel manufactured for fulton armory and chambered in 308 winchester. Start the gas tube pin in the gas block using a 5 64 inch roll pin holder punch.