Need advice on over-sized bolt catch.....

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11 years 8 months ago - 11 years 8 months ago #18476 by faawrenchbndr
Need advice on over-sized bolt catch..... was created by faawrenchbndr
As some are aware, I have a bolt catch break at the paddle recently.
Mrraley sent me a Gen 1 bolt catch.....awesome guy!

Armalite sent me a Gen 2 today. However, it does not fit the receiver.
The width of the Gen 2 bolt catch is too wide at the pivot, by about .012"
Would it be ok to stone this piece to the width of the Gen 1 bolt catch?

When did they start making these mim?
Last edit: 11 years 8 months ago by faawrenchbndr.

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11 years 8 months ago #18477 by Sharkey
Replied by Sharkey on topic Need advice on over-sized hammer Please...
How's that? :wave:


With the one you have, at least you have time to research whether you can get the Gen II to fit FWB... :)

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11 years 8 months ago #18478 by faawrenchbndr
Replied by faawrenchbndr on topic Need advice on over-sized hammer Please...
Don't really think this should have been moved to the "custom work" section, but ok.

Don't understand your statement Sharkey. :blink:

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11 years 8 months ago #18481 by Sharkey
Replied by Sharkey on topic Need advice on over-sized hammer Please...
When you mentioned that you didn't see the "gunsmith" section, I figured you wanted it moved there.

My mistake.

It'll be fixed in a sec... :thumbs:

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11 years 8 months ago #18482 by Sharkey
Replied by Sharkey on topic Need advice on over-sized hammer Please...
As for my statement, you had a thread saying you had a broken bolt catch. Then you said MrRaley sent you one. Gen I

Then you said Armalite sent you one that was a Gen II and it was too wide.

Am I missing something here or don't you now have 2 bolt catches?

If I am misunderstanding something and way off, sorry in advance.

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11 years 8 months ago #18483 by jtallen83
Replied by jtallen83 on topic Need advice on over-sized hammer Please...
I've never messed with a MIM part myself but I know some do. Most 1911 pistols are full of them and they get fitted, some better than others I guess.
I vote you try it, not because of any specific knowledge I have but rather knowledge I'd like to have. If you break it then I'll know what not to do! :thumbs:

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11 years 8 months ago #18486 by LebbenB
Replied by LebbenB on topic Need advice on over-sized hammer Please...

The width of the Gen 2 bolt catch is too wide at the pivot, by about .012"
Would it be ok to stone this piece to the width of the Gen 1 bolt catch?

If removed carefully, I don't think you would compromise the integrity of the part by removing .012 of an inch, MIM or not.

I would certainly call/e-mail Armalite with the question and see what they had to say.

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11 years 8 months ago #18487 by faawrenchbndr
Replied by faawrenchbndr on topic Need advice on over-sized hammer Please...

Sharkey wrote: As for my statement, you had a thread saying you had a broken bolt catch. Then you said MrRaley sent you one. Gen I

Then you said Armalite sent you one that was a Gen II and it was too wide.

Am I missing something here or don't you now have 2 bolt catches?

If I am misunderstanding something and way off, sorry in advance.


Yes Mrraley sent me a Gen 1 bolt catch, those only work with Gen 1 mags.
Armalite sent me a Gen 2 bolt catch, they work with Gen 1 & 2 mags.

The issue at hand, and the question asked was, "is it ok to stone the bolt catch's width to fit the receiver" Armalite clearly screwed the pooch with this part, assume there are many more out of spec.

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11 years 8 months ago #18490 by OleCowboy
Replied by OleCowboy on topic Need advice on over-sized hammer Please...

LebbenB wrote:

The width of the Gen 2 bolt catch is too wide at the pivot, by about .012"
Would it be ok to stone this piece to the width of the Gen 1 bolt catch?

If removed carefully, I don't think you would compromise the integrity of the part by removing .012 of an inch, MIM or not.

I would certainly call/e-mail Armalite with the question and see what they had to say.

In my early days I was a machinist (AFL-CIO-IAM, Dallas local) and I worked in a rather exacting industry, often making things fit. We are dealing with .012...off the top of my head I would agree with lebben...that said will you need to drill out the pivot holes deeper to accommodate the pivot pin or make any other modifications other than just widening the slot?

If you want to widen the slot I would suggest you follow the same routing just .012 larger...but a call to ArmaLite may negate everything I just said...

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11 years 8 months ago #18493 by Sharkey
Replied by Sharkey on topic Need advice on over-sized hammer Please...
When you ordered the Gen II, did they ask or did you give them the exact model and serial number of your rifle so they could make certain the part was going to fit or did they just take the order generically and send you what you asked for?

Perhaps they have different part numbers for different models...

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