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Taper pin size chart

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11 years 10 months ago #15456 by oilfielder71
Taper pin size chart was created by oilfielder71
Does anyone know a good link to find a chart of all the taper pin sizes for a Bushmaster/DPMS 308?

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11 years 10 months ago #15461 by BUILDING MY SASS
Replied by BUILDING MY SASS on topic Taper pin size chart

oilfielder71 wrote: Does anyone know a good link to find a chart of all the taper pin sizes for a Bushmaster/DPMS 308?


Where did you find my back up weapon...for your Avatar.... :rotfl:
As to your question...did you try contacting DPMS...for the most part almost all taper or roll pins are about the same...depending on what part they are used for...which brings up the next question...what part is it for...
BMS

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11 years 10 months ago #15466 by 13fcolt
Replied by 13fcolt on topic Taper pin size chart
The only taper pins that come to mind are for a standard front sight base. You should be able to order more, although some fitting may be required.

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11 years 10 months ago #15470 by LebbenB
Replied by LebbenB on topic Taper pin size chart
When Oilfielder posted pics of his BM rifle, the low-pro gas block was secured by taper pins. He then wanted to know how to remove the gas block to install a Troy FF sleeve. Since he's got a back ground in fab, he knows that once you drive out a taper pin/roll pin it needs to be replaced by a fresh one.

My guess is BM uses the same size pin for that gas block as it does for a standard FSB. I'd call to make sure, though.

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11 years 10 months ago #15471 by 13fcolt
Replied by 13fcolt on topic Taper pin size chart
I did not know that about taper pins.

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11 years 10 months ago #15472 by oilfielder71
Replied by oilfielder71 on topic Taper pin size chart
There is so much information out there but it very hard to find specifics.
As you all know it's tough to get in touch with anyone nowadays. I've sent some Emails to some suppliers and got automated responses that tell you
Due to the extremely high quantity of emails coming in the will do their best
To reply in 4 to 5 business days.

I do appreciate the responses and I'll keep trying.

To do a major project like this it would be nice to have all the facts.
There's nothing worse than starting a project a missing a key part or
Specific tool. I'm one of those guys that likes everything set out on my bench.

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11 years 10 months ago #15473 by 13fcolt
Replied by 13fcolt on topic Taper pin size chart
I have, in the past, reused taper pins. Never for very long though as I tend toward clamp on gas blocks. Learned something new.

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11 years 10 months ago #15488 by oilfielder71
Replied by oilfielder71 on topic Taper pin size chart
I'm always learning something new, especially about the
AR. It's nice to have a group of knowledgable guy to chat
With and ask questions. Knowledge is power.

I'm a firm believer in being well informed about equipment
You own especially when it comes to firearms.

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11 years 10 months ago - 11 years 10 months ago #15517 by LebbenB
Replied by LebbenB on topic Taper pin size chart
The reason to use a fresh taper pin rather than re-use the original, particularly on a gas block, is the original pin will not seal as tightly as a new pin would. (The same thing applies to roll pins as well.)

I find dealing with taper pins to be a royal PIA, so I too prefer a bolt on gas block and red loctite.

I normally use a 5/16" punch to break the pin free, then 1/8" punch to drive the pin out.
Last edit: 11 years 10 months ago by LebbenB.

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