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New LM4 boltcatch


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#21 mr.ying

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Posted 08 June 2013 - 12:28 AM

View PostBeachEMT, on 08 June 2013 - 12:23 AM, said:

http://kwausa.com/fo...showtopic=11266

3rd topic from the bottom of the front page.

Thanks a lott!!

#22 MountainCommand

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Posted 12 June 2013 - 04:19 PM

alright. Just ordered this a few days ago when parts became available. This is supposedly the new bolt catch for those wondering, and i believe that hole is the new addition correct?

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#23 gcw360

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Posted 12 June 2013 - 06:37 PM

Correct.  That and I believe the angle of the arm that is engaged by the mag is more acute.

#24 thatguyx

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Posted 12 June 2013 - 06:48 PM

Still required some bending for me. I also recommend shaving the shoulder near the pivot pin to raise the bolt stop another 2mm

#25 BeachEMT

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Posted 12 June 2013 - 07:18 PM

Just from looking at the arm, you need to bend it.

#26 BeachEMT

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Posted 16 June 2013 - 12:22 AM

Anyone know what spring they are using? The parts diagram hasn't been updated yet. I think I might just use part #73 on mine. I'm using an old style bolt catch that I've modded (just need to drill the hole and get a spring).

#27 Rockhound117

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Posted 17 June 2013 - 06:54 AM

I got one back when they first did it. I needed to bend it also.




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