AR15 FRONT SIGHT BASE REMOVAL
I have a new CMMG AR15 upper in 6.8. It has the pinned on front sight housing. I'm using the Brownells front sight fixture. I'm using the proper sized punch and a 2lb. hammer. The pins will not budge any suggestions???
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You do know they only move one way, they are a tapered pin. With out seeing it I can not say what way they are in.
Some take a harder hit then others to move.0 -
Puy a drop of Kroil on them and make sure you go the right way.Tapered pins 0 -
I'm using the Brownells front sight pin fixture. There's one way in and one way out. I'm using the out side. I put some miracle machine oil on the pins last night and it seemed as the stuff leaked through.
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Bigger hammer.
Really.
CP0 -
cpermd is right; a 2 lb hammer is too small. Make sure that you have a punch with a short shank (Brownell's calls them a starting punch), make sure that the barrel/front sight is in uniform contact with the sight fixture, put on safety glasses (required) and whack the punch with a good blow from large hammer (some use the dead blow type). 0 -
I brought home a 3 pounder from work today if that doesn't work I'm getting the sledge hammer out. 0 -
The barrel needs to be mounted solidly in a heavy vise with copper or lead soft jaws and the punch be given a ringing blow using a large hammer.
It can be a 2# hammer.
You need two punches: a tapered punch having a flat point to start the pins moving and a pin punch to drive them out.0 -
quote:Originally posted by cpermd
Bigger hammer.
Really.
CP
Really, really bigger hammer maybe. [}:)]
I've removed a dozen or so front sights, they can be a real bugger to get out. I've always tapped out left to right as yo have in the photo.
A very short steel punch as opposed to a long one might help you transfer more of the blow to the pin.0
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