No. 4 Mk. I rear sight retaining pin

ks_wayward_son · December 28, 2010, 01:04 AM

I was able to get the pin out with no problems, really...but if something did happen, does anyone know a reputable source for this part? As some know its very tiny, and probably most distributors don't have this small of piece in stock. Replacements? Brad nails, coat hanger wire dremmeled down?

gyvel · December 28, 2010, 01:41 AM

Any pin of the same diameter will work. (Broken drill bit, piece of rod, etc.) It's not a complicated part to make.

Dfariswheel · December 28, 2010, 01:44 AM

If you mean the tiny pin that passes through the rear sight hinge pin, you have options.
This pin isn't under any stress, and as long as it doesn't fall out, it's good.

One is to use any small piece of pin stock, drill rod, or even the shank of a drill.
On one occasion, I un-bent and straightened out a coil spring that was made of wire the right diameter.

Another option is to spend money and buy a pin by shopping the online surplus parts dealer.
Truth.... any pin that's the right size will work fine.

madcratebuilder · December 28, 2010, 10:34 AM

The original pin has a taper, use a brad nail to fabricate a new one.

wogpotter · December 28, 2010, 10:37 AM

Short (1/2") piece cut from a wire coat hanger.
Chuck in Dremel.
Use fine abrasive paper (400~600) to grind taper on to one end.
Cold blue when done & trim to length & diameter(s) needed.

htmn2468 · January 5, 2011, 07:57 PM

i have compleat lader sight and the pins if any one is interested (came of of a Mk4#1 that was sporterized) make me an offer

**James K** · January 5, 2011, 11:22 PM

I just cut a piece of spring wire, of which I had plenty.

Jim

December 28, 2010, 10:37 AM	#5
wogpotter Senior Member Join Date: September 27, 2004 Posts: 2,064	Short (1/2") piece cut from a wire coat hanger. Chuck in Dremel. Use fine abrasive paper (400~600) to grind taper on to one end. Cold blue when done & trim to length & diameter(s) needed. __________________ Allan Quartermain: “Automatic rifles. Who in God's name has automatic rifles”? Elderly Hunter: “That's dashed unsporting. Probably Belgium.”

January 5, 2011, 11:22 PM	#7
James K Staff Join Date: March 17, 1999 Posts: 16,439	I just cut a piece of spring wire, of which I had plenty. Jim __________________ Jim K

December 28, 2010, 01:04 AM	#1
ks_wayward_son Senior Member Join Date: July 19, 2007 Posts: 242	No. 4 Mk. I rear sight retaining pin I was able to get the pin out with no problems, really...but if something did happen, does anyone know a reputable source for this part? As some know its very tiny, and probably most distributors don't have this small of piece in stock. Replacements? Brad nails, coat hanger wire dremmeled down?

December 28, 2010, 01:41 AM	#2
gyvel Senior Member Join Date: August 30, 2009 Location: Northern AZ Posts: 3,458	Any pin of the same diameter will work. (Broken drill bit, piece of rod, etc.) It's not a complicated part to make.

December 28, 2010, 01:44 AM	#3
Dfariswheel Senior Member Join Date: May 4, 2001 Posts: 6,575	If you mean the tiny pin that passes through the rear sight hinge pin, you have options. This pin isn't under any stress, and as long as it doesn't fall out, it's good. One is to use any small piece of pin stock, drill rod, or even the shank of a drill. On one occasion, I un-bent and straightened out a coil spring that was made of wire the right diameter. Another option is to spend money and buy a pin by shopping the online surplus parts dealer. Truth.... any pin that's the right size will work fine.

December 28, 2010, 10:34 AM	#4
madcratebuilder Senior Member Join Date: November 2, 2007 Location: Northern Orygun Posts: 4,867	The original pin has a taper, use a brad nail to fabricate a new one.

January 5, 2011, 07:57 PM	#6
htmn2468 Member Join Date: November 11, 2008 Location: California Posts: 15	i have compleat lader sight and the pins if any one is interested (came of of a Mk4#1 that was sporterized) make me an offer