Alpha 6bra brass primer holes

[Cloudrepair]

Have any of you experianced ill affects from the larger primer hole?

 

[SilhouetteShooter]

No, very low ES, and SD. My one complaint is my primer pocket tool won’t work as there is a very slight taper in the bottom of the primer pocket. However, primer pockets stay tight over ??? firings, as many as lapua would be my guess or more.

 

[TRSR8]

Don’t know if it applies to this brass but with PPC brass, Pat at PMA told me not to touch pockets with any tool. Also, FWIW, Alpha in that area is substantially harder than Lapua.

 

[Straightshooter1]

Have any of you experianced ill affects from the larger primer hole?

A tendency to pierce thin cup primers. . . like CCI-400's.

 

[Steve Donlon]

Does anyone see a difference with 6mm GT brass, Lapua vs. Alpha primer size holes. Accuracy? I know the reasons Alpha says, but in real life?

 

[Straightshooter1]

Does anyone see a difference with 6mm GT brass, Lapua vs. Alpha primer size holes. Accuracy? I know the reasons Alpha says, but in real life?

I swagged some Lapua Palma brass to a larger size using a .068" Lee decapping pin just to see if there might be a noticeable difference. Looking at my data, it does appear that my SD's have improved on average over what I was getting with the normal Lapua SRP's. But I haven't been able to notice any difference on my targets. One thing for sure, decapping is a lot easier without having to change a thin decapping pin.

 

[WyleWD]

Have any of you experianced ill affects from the larger primer hole?

None whatsoever. Been using Alpha 6 ARC in SRBR with Federal 205m primers. Not one Issue.

Using the LE Wilson bushing resizing die. JME. WD

 

[Steve Donlon]

I swagged some Lapua Palma brass to a larger size using a .068" Lee decapping pin just to see if there might be a noticeable difference. Looking at my data, it does appear that my SD's have improved on average over what I was getting with the normal Lapua SRP's. But I haven't been able to notice any difference on my targets. One thing for sure, decapping is a lot easier without having to change a thin decapping pin.

I think I will just use Magnum primers and not worry about a larger primer hole. The situation with the 6.5 Creedmoor Lapua brass was different because it is made in both large and small primer sizes so it was easy to enlarge the primer hole. And it holds more powder. But like you said, accuracy was not an issue.