[Hylander]

I was cleaning and inspecting my new to me 582 Mini-30.
Decided to check firing pin protrusion. Pulled the pin and I have not seen a pin like this one before.
I thought cool, maybe aftermarket longer pin. Nope, I have 4 other new pins and this has much less protrusion at .036 - .038
All my other pins have .050 - .053 protrusion. All pins are same oal.

 

[BƐck]

The stainless fluted pins like that are more recent, post 580. Ruger has used a few different pin designs in the Mini-14 and Mini-30 over the years.

My 189 Series Mini-30 pin was round shaft with no fluting. The firingpins.com pin I've been using for several years is flat on one side like some of the Mini-14 pins.

.036 to .038 is not bad as the protrusion range of factory pins goes. That's about where my factory pin was and I didn't have significant issues with light primer strikes.

The longer firingpins.com pin I have in there now is about .042ish. No light strikes at all with that pin, even with the most reported problematic ammo like Tulammo and some varieties of Wolf.

.050 - .053 protrusion is about what you'll see with AKs.

I don't have a pin protrusion gauge. I used the depth gauge of a digital caliper while using the old pin for comparison as I was fine tuning the new one.

 

[Hylander]

The stainless fluted pins like that are more recent, post 580. Ruger has used a few different pin designs in the Mini-14 and Mini-30 over the years.

My 189 Series Mini-30 pin was round shaft with no fluting. The firingpins.com pin I've been using for several years is flat on one side like some of the Mini-14 pins.

.036 to .038 is not bad as the protrusion range of factory pins goes. That's about where my factory pin was and I didn't have significant issues with light primer strikes.

The longer firingpins.com pin I have in there now is about .042ish. No light strikes at all with that pin, even with the most reported problematic ammo like Tulammo and some varieties of Wolf.

.050 - .053 protrusion is about what you'll see with AKs.

I don't have a pin protrusion gauge. I used the depth gauge of a digital caliper while using the old pin for comparison as I was fine tuning the new one.

All my extra Mini-14 pins are flat on one side and the shortest is .050 Protrusion.
I believe these should work in the Mini-30. I hope so, that way I don't have to order a new pin from Firingpins.com
they dropped right into my Mini-30 Bolt.

 

[BƐck]

Hylander, in that case you're all set then. Nice that your Mini-14 pins drop right into your Mini-30 bolt with that much protrusion. I hope that works out for you long term. Keep us posted.

 

[RIBob]

Are there reports of Mini-14s having the same sort of firing pin protrusion issues as seen in some Mini-30s?

I have never used steel-cased ammo in my 186 series Mini, but I certainly have used brass-cased handloads with CCI Mil-Spec primers. No problems so far.

 

[Hylander]

Are there reports of Mini-14s having the same sort of firing pin protrusion issues as seen in some Mini-30s?

I have never used steel-cased ammo in my 186 series Mini, but I certainly have used brass-cased handloads with CCI Mil-Spec primers. No problems so far.

No issues that I am aware of.
The issue with the 30 is that the steel cased Russian 7.62x39 ammo has the primers set deeper in the Primer pocket.