Adjustable gas blocks - Superlative
$60
I have one in 0.750 diameter, clamp on, black nitride finish. This has not been fired through but has some small marks on it from clamping in a vise without the use of blocks. $60
I have on in 0.875 diameter, clamp on, black nitride finish. This one looks good on the outside but has been fired through with about 20 rounds.
Contact: Ryan Gitzlaff ryan.gitzlaff@gmail.com