AR15 trigger/pin/receiver hole size question

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AR15 trigger/pin/receiver hole size question

Postby 45Badger on Sun May 13, 2012 5:26 pm

The situation-

I have a jewel trigger in a preban colt receiver. I have a single stage factory trigger in a RRA lower. I want to swap triggers, sell the Colt receiver. I know the pins and receivers are different sizes.

The question - Can I do this? Do the triggers care what size pins are used? Thanks!
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Re: AR15 trigger/pin/receiver hole size question

Postby AgAuTHORITY on Sun May 13, 2012 5:37 pm

I thought it was the post-ban Colt's that went to the .170--pre-ban Colt's and other brands stuck with the .154 trigger pin size.
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Re: AR15 trigger/pin/receiver hole size question

Postby 45Badger on Mon May 14, 2012 7:19 pm

AgAuTHORITY wrote:I thought it was the post-ban Colt's that went to the .170--pre-ban Colt's and other brands stuck with the .154 trigger pin size.


They put sear blocks and large pins in pre-1994 ban.

Still need an answer from the gurus 8-)
Live free, or die!
9mm = .45acp set on "stun"
Big Bullets At Moderate Speeds....Make Things Move
"You look like a tactical lumberjack"
Monschman is a thieving d-bag
.45 ACP - Because Shooting Twice Is Silly!
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Re: AR15 trigger/pin/receiver hole size question

Postby AgAuTHORITY on Mon May 14, 2012 8:49 pm

The triggers "do" care what size pins are used. Pretty safe bet the RRA is using the .154 pins, so if the Colt lower is using the .170 pins a swap won't work. You could push the pins out a little ways and use a micrometer to double check the pins sizes. But that Jewel trigger will only work with .170 pins is that is what is made for.

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Re: AR15 trigger/pin/receiver hole size question

Postby shooter115 on Mon May 14, 2012 10:56 pm

Won't work. I've seen people not knowing any better do it by accident. The result is always a non-functioning or severely malfunctioning gun.
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Re: AR15 trigger/pin/receiver hole size question

Postby 45Badger on Tue May 15, 2012 4:24 pm

Thanks Guys. I have a good plan "B". I'll put the Jewell in one of my other pre-ban Colts and put the stock trigger in the lower I'm gonna sell.
Live free, or die!
9mm = .45acp set on "stun"
Big Bullets At Moderate Speeds....Make Things Move
"You look like a tactical lumberjack"
Monschman is a thieving d-bag
.45 ACP - Because Shooting Twice Is Silly!
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Posts: 2832 [View]
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