( .50 caliber rifle can be crafted with the following recipes

Autolearned
Player Recipe
Primary skill used: fabrication(6)
Required skills: traps(1), gun(4)
Time to complete: 180 minutes
Tools required:
> 1 tool with fine metal sawing quality of 1
> 1 tool with fine screw driving quality of 1
> 1 tool with glare protection quality of 1
> firearm repair kit (150 charges) OR gunsmith repair kit (30 charges)
> arc welder (30 charges) OR makeshift arc welder (45 charges) OR integrated welder (45 charges) OR acetylene torch (6 charges) OR 377-UASTA (weaponized) (6 charges) OR 377-UASTA plasma torch (3 charges)
Components required:
> 1x M2HB Browning HMG
> 1x plank
Byproducts:
(none)

Player Recipe
generic_guns Obsolete
Primary skill used: (0)
Required skills: N/A
Time to complete: 0 seconds
Byproducts:
(none)