458 Socom Broke my lower
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Old 08-14-2011, 03:46 AM   #1
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Default 458 Socom Broke my lower

well it broke the cheap mim bolt catch lever this morning. its not a RRA part





i think that bolt catch came from a gunshow parts bin.

anyone got a source for a better catch??



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Old 08-14-2011, 04:00 AM   #2
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Would the catch assembly from an AR10 lower be more robust than the AR15? Would it fit?

Just a question, but doesn't the catch engage as the bolt returns forward on an empty mag...does the .458 SOCOM need a heavier buffer spring to absord more energy before it allows the bolt to cycle back? Reason I ask is that if the bolt is really slamming forward with enough force to shatter the bolt catch, other less noticeable damage may be occurring.



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Old 08-14-2011, 04:07 AM   #3
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the pics dont show enough detail of the mim. it looks like very fine bubbles all through the part. lots of pitting where it wasnt formed right. the socom uses a standard buffer with a standard rifle tube spring. rra also sends an heavier car length spring if you have a car length adjustable stock buffer tube.

it has destroyed 3 scopes to date. i think im just gonna use irons on it till i decide to get a niteforce scope

i dont know if the ar10 uses the same ill send rra a email its a good idea

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Old 08-14-2011, 04:08 AM   #4
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Sorry to see that Jon,I could've picked you up some spares today,I went to a gun show.
I also came home with a new RRA 458 SOCOM upper.I can't wait to get some ammo loaded up and shoot it.

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Old 08-14-2011, 04:41 AM   #5
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unfortunately a gunshow is where i got the part that broke heh.

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Old 08-14-2011, 10:22 AM   #6
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John, Add that to the list of parts that the .458 will break on your AR. Did the .458 actually break it or was it an un-related break?

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Old 08-14-2011, 02:00 PM   #7
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It was a cheap unknown brand. Broke while firing the 458



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