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Never used it myself DanR and I also forgot about it being there when I take it to the range.
"The strongest reason for the people to retain the right to keep and bear arms is, as a last resort,
to protect themselves against tyranny in government." - Thomas Jefferson
I think the aim was to get the spring to work reliably with the lightweight titanium firing pin SA uses. However, I believe other makers also use titanium firing pins with a 23lb mainspring.
The theory is that a too light mainspring, combined with the light firing pin, won't strike primers with enough 'gusto' to ignite some of the harder ones. Having said that, race-gun wielding 1911 and doublestack STI aficionados run 17lb mainsprings AND have titanium-everything, to keep lock-time to a minimum (...). No doubt they choose their primers carefully, so make of that what you will...
Too many people miss the silver lining because they're expecting gold.
M. Setter
So what should I do with my Mil Spec? Based on what I have read here, I think I should do nothing. Changing things is the most common thing to cause failure to fire. I carry IWB with 230 gr hardball. And I don't compete, that is not why I bought it. I didn't want the firing pin block, even though many have it without issues. I wanted the three dot sights like the G19 that is issued.
It has never failed to fire. I have only put about 500 rounds through it. After the M16A2 and M60 20 years ago, that doesn't seem like anything.
It sounds like you have what you want and it's working fine so I wouldn't do anything. The only reason I removed mine is due to a mental condition I have called anal, and yes it caused light strikes. SA suggested I increase the strength of the main spring, but I knew it would effect my trigger pull so I replaced the ti firing pin with an Ed Brown all stainless steel and all is good. Don't be anal like me. It cost extra money that's not necessary.
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slohunter (16th April 2017)
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You guys are the best. I was just watching Hickok45 because I was thinking of a stainless model. My SA is great, no complaints. But I was looking at other models (as all married men do). And he showed it didn't have the firing pin block. This video is old, but I hadn't watched it. So I went to the site and saw this.
Sure, that is Ruger. I just wanted to show the knowledge here.The Ruger SR1911 pistol features a titanium firing pin and heavy firing pin spring, which negates the need for a firing pin block, offering an updated safety feature to the original "Series 70" design without compromising trigger pull weight. An extended thumb safety offers improved manipulation and an oversized beavertail grip safety provides positive function and reliability. A visual inspection port offers visual confirmation of a round in the chamber.
If there is further discussion of the Springfield Armory internal locking system, we'll leave this thread open to continue that discussion. If there is no more discussion of the Springfield Armory internal locking system, we can close this thread.
Hawkmoon
On a good day, can hit the broad side of a barn ... from the inside
Will any standard 1911 arched mainspring housing do in place of the ILS?
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