Plan: Prime assault rifle receiver

Plan: Prime assault rifle receiver is a plan in Fallout 76.

Location
May be dropped by scorchbeasts (0.13%) or the scorchbeast queen (2.63%).

Unlocks

 * This plan unlocks crafting of the prime receiver mod for the assault rifle at a weapons workbench.
 * Learning this plan is also one of four ways to unlock crafting of ultracite 5.56 rounds at a tinker's workbench.