HKPRO Forums banner

1 - 2 of 2 Posts

·
H&K Certified Armorer
Joined
·
8,216 Posts
Discussion Starter · #1 ·
Anyone know what type of steel is used for the gas piston, piston rod and bolt-head?

Thanks!
 

·
H&K Certified Armorer
Joined
·
8,216 Posts
Discussion Starter · #2 ·
Got it figued out.
 
1 - 2 of 2 Posts
Top