HKPRO Forums banner

1 - 4 of 4 Posts

·
Registered
Joined
·
432 Posts
Discussion Starter #1
What changes would need to be made, other than the "F"bolt head. Are the standard buffer,locking piece, recoil rod, and bolt carrier all to remain standard, or do some of these need changing also? And what was the benefit of the Action 3 upgrade, over the standard bolt head, if not to allow for the higher pressures associated with the +P ammo?
 

·
Premium Member
Joined
·
2,711 Posts
You do not need to change anything to shoot +P, the stock configuration SP89 is perfectly capable.
 

·
Registered
Joined
·
432 Posts
Discussion Starter #4
In the front of the user manual, they say it will void the warrenty, and such, if you use +P or +P+ ammo. Is this just because it causes additional wear? Then why do they make, or what is the benefit to the "F" Bolt Head, other than profit?
 
1 - 4 of 4 Posts
Top