I've finished putting my lower receiver together except the buffer tube and that should be here tomorrow. I put a Geiselle SSA-E trigger in it (and it is sweet too!). Anyhow, I see the hammer spring engages the trigger pin and captures it, but is there nothing to keep the hammer pin from pushing out other than friction and spring pressure?

(which BTW are identical) you'll notice a notch.
A spring in the hammer engages that notch and keeps the pin from sliding out.

So basically, the outer notch is for the trigger pin engagement and the inner notch is for hammer pin engagement? I didn't study it too long but it made sense on the trigger pin/hammer spring but that part was obvious.

Stoner designed that thing to make as many parts as possible engage each other to keep it together as opposed to adding more parts.

I don't have a spanner wrench for tightening the castle nut on the buffer tube yet. I could probably tap it down snug with a brass punch and hammer. Gonna see if I can find a proper wrench first but it's pretty easy stuff. I'll buy a matching Spikes upper soon and start accumulating parts to build an upper....just debating on what exactly I want. I already have 16" 5.56. I'm either gonna do a basic 18" SPR 5.56 or a .300BO or what I'm really thinking hard on is the Sharps .25-45.

the rest is like a bag of golf clubs. Uppers of whatever flavor you desire that you use to meet the current firing solution.

http://www.alloutdoor.com/2014/04/26/dsa-hawk-combination-tomahawk-ar-15-armorers-tool/

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Of the Troops & For the Troops

I don't see a beer bottle opener on that thing! After finishing (or during) building your lower, you deserve a fresh cold one!

Guess I'll have to order one of these...

http://shop.tacticalshit.com/hammer-bottle-opener

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https://facebook.com/M2bKydex/

recommendation. I am glad that cooler heads have prevailed...Rob Adams, you'll have to buy both products and give a detailed report.
Actually I can proly open a beer with my 15 dollar Tapco Spanner...

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Of the Troops & For the Troops

I've learned a long time ago that multi- tools are often a disadvantage. Having a scanner and oscilloscope/graphing multimeter built into one unit almost guarantees you'll need a scanner on one car and the scope on another truck at the same time. You don't want to be scalping a Mohamedian while your buddy needs that spanner wrench:/

Until the tangos in the immediate vicinity are dispatched, THEN work on fixing his fubar'd primary weapon.
More seriously, you don't usually get to roll into a fight with your big Snap-On tool cart filled with the perfect tool for every job; you're usually limited to what you can carry. And I never even HEARD of anybody packing armorer tools out the wire over in the combat zone; best fix was usually to just grab another weapon.

Claimed ballistics are in the same ballpark as the 6.8 SPC, without the hassle of odd brass, odd bolt, etc.

But I still don't care for the all in one combo tool idea:)

Yep, interesting.

Few really new ideas in cartridge design these days.

http://srcarms.com/wordpress/25-45-sharps/ammunition/

http://www.americanrifleman.org/articles/2014/4/17/the-25-45-sharps-a-new-old-cartridge/

How I missed it before is beyond me but maybe I was thinking that it wasn't so all fired important because I already had a 7mm TCU. Who knows what I was thinking (or wasn't). Cool beans so thanks for saying something about it!

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Sincerely,

Hobie

I seem to remember that the 7TCU was not the first 7mm based on that cartridge case. Just as the .300 Whisper and .300 Blackout was not the first .30 caliber cartridges on that cartridge case. The real old IHMSA guys would recognize these various cartridges that were made on the .223 case diameter in order to chamber in the Remington XP100 action. There were also people that necked up the .223 case because they could get the cases easily, and used them in custom made Contender barrels.

He built it for his wife to hunt with, he says it shoots lights out, and he is talking of building another for himself.

That sort of thing is getting easier now that there are shops willing to do custom AR barrels.

with my son's .300 Blackout. Dad will have to have one as well, one of these days.

Cartridge is fine, the idea is fine, but selling something to the AR crowd and naming it the 22-45 Sharps? Uh.... Hello?

It needs to be the .25 Raven or "Quarter Death" or some silly sounding thing.
Not something that sounds like "Great great grand pappy used one of these to kill off the last of the comanche and brontosaurus".

...Dark Earth Death...

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Sincerely,

Hobie

If they were set on keeping the 'Sharps' bit maybe the ".25 TS" (Tactical Sharps).

Got it! "6.5 TSAR" (Tactical Sharps for AR)

If it's metric, it's gotta be new and whizzy, right?

could have a lot of fun trolling the Mall Ninjas over at Arfcom on this subject.

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Of the Troops & For the Troops

The 300 Blackout necked down to .22

Though I shouldn't be surprised, no one wanted my .22 Whisper either.