Caliburn B Variant Improved Bolt Handle and Mag Release

Various parts for the caliburn B variant

There are 2 variants for the bolt, one with a hole to attach https://www.thingiverse.com/thing:5575717 and one without a hole, both have oring glands to a have a 123 oring in the groove. Use a standard 10-32 caliburn bolt to attach the handle.

There are also 2 variants for the mag release, one with just the merged trigger guard on one side, and one with the regular caliburn v2 release merged with the previous part. Both require the other trigger guard side from the base caliburn B variant set.