Maltby No4 rear sight problem

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I've recently aquired a 1942 Maltby No4 Mk1 which came to me with a "43 SM" marked L rear sight. Desiring the milled Mk1 sight, I ordered one from Liberty Tree Collectors. The sight I received is a "B" marked, assuming BSA, Mk1 sight in beautiful shape. The only problem is that the sight seems to be slightly too long to properly install. When I get the sight installed in the down position it is too tight to flip up. On the other hand, when installed in the up position it won't properly seat when flipped down. I'm new to Enfield rifles so any help/advice would be great.  

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4464q2 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: October 21 2012 Location: Georgia Status: Offline Points: 7	Post Options Post Reply Quote 4464q2 Report Post Thanks(0) Quote Reply Topic: Maltby No4 rear sight problem Posted: October 21 2012 at 10:50am
	I've recently aquired a 1942 Maltby No4 Mk1 which came to me with a "43 SM" marked L rear sight. Desiring the milled Mk1 sight, I ordered one from Liberty Tree Collectors. The sight I received is a "B" marked, assuming BSA, Mk1 sight in beautiful shape. The only problem is that the sight seems to be slightly too long to properly install. When I get the sight installed in the down position it is too tight to flip up. On the other hand, when installed in the up position it won't properly seat when flipped down. I'm new to Enfield rifles so any help/advice would be great.

Shamu Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510	Post Options Post Reply Quote Shamu Report Post Thanks(0) Quote Reply Posted: October 21 2012 at 10:03pm
	Check the pivot pin carfefully. I had a similar problem & it turned out to be the pivot pin was very slightly bent & this was causing the ladder sight to foul the rear of the charger bridge.
	Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)

4464q2 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: October 21 2012 Location: Georgia Status: Offline Points: 7	Post Options Post Reply Quote 4464q2 Report Post Thanks(0) Quote Reply Posted: October 22 2012 at 4:30am
	Shamu, thanks for the tip. As I closely examined the pivot pin, I now see that there is an ever so slight bow in it. I ordered another one from Springfield Sporters this afternoon and have my fingers crossed that this will solve the problem.

A square 10 Members Profile Send Private Message Find Members Posts Add to Buddy List Special Member Donating Member Joined: December 12 2006 Location: MN , USA Status: Online Points: 16997	Post Options Post Reply Quote A square 10 Report Post Thanks(0) Quote Reply Posted: October 22 2012 at 4:50am
	that was going to be my sugestion as well , also look closely at the adjustment wheel is it propperly seated ? top of it should flush with the top of the sight frame

4464q2 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: October 21 2012 Location: Georgia Status: Offline Points: 7	Post Options Post Reply Quote 4464q2 Report Post Thanks(0) Quote Reply Posted: October 22 2012 at 5:27am
	The adjustment wheel is properly seated and flush on the sight. The place that seems to be impeding the up/down motion on the rear of the charger bridge is the area where the bottom of the adjustment wheel would rest. I know the photo may be poor (taken by my phone), but this area isn't milled to the same depth as the channel above it, creating a slight lip. Stamped above this lip is an "x." This may be nothing, just an observation.

Shamu Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510	Post Options Post Reply Quote Shamu Report Post Thanks(0) Quote Reply Posted: October 22 2012 at 8:45am
	"I now see that there is an ever so slight bow in it" It doesn't take much. If the sight stops right at where the knob contacts the charger bridge it's probably the problem.
	Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)

4464q2 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: October 21 2012 Location: Georgia Status: Offline Points: 7	Post Options Post Reply Quote 4464q2 Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 2:19am
	Well, I received a new axis pin from Springfield Sporters today and eagerly rush to install my long awaited Mk1 sight. To my disappointment, the sight still would not flip down and properly seat on the rear of the charger bridge. This pin is completely straight, SO frustrating. I'm at a loss.

Shamu Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510	Post Options Post Reply Quote Shamu Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 3:37am
	Drats! Sorry that was the problem with mine. It sounds like it may be time to break out the ol' Dremel & do a minor adjustment, as in "some minor gunsmith fitting may be required" as they used to say. Can you post a pic of the sight right as it jams?
	Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)

Canuck Members Profile Send Private Message Find Members Posts Add to Buddy List Special Member Donating Member Joined: January 17 2012 Location: Cochrane, AB Status: Offline Points: 4021	Post Options Post Reply Quote Canuck Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 4:33am
	I'm thinking it could be a possibly warped receiver?

Shamu Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510	Post Options Post Reply Quote Shamu Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 7:53am
	More like "the receiver came with a flip sight & it fit" kind of thing in MHO. Warping takes some serious work.
	Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)

Canuck Members Profile Send Private Message Find Members Posts Add to Buddy List Special Member Donating Member Joined: January 17 2012 Location: Cochrane, AB Status: Offline Points: 4021	Post Options Post Reply Quote Canuck Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 7:58am
	It does take some serious work, but a rifle that has a barrel changed by an in-experienced person without the proper tools can warp a receiver. I am not saying this was the case with this rifle but it is a possibility with other rifles. This is an interesting thread!

4464q2 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: October 21 2012 Location: Georgia Status: Offline Points: 7	Post Options Post Reply Quote 4464q2 Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 9:23am
	Here are a few photos of the sight and where it makes contact.

A square 10 Members Profile Send Private Message Find Members Posts Add to Buddy List Special Member Donating Member Joined: December 12 2006 Location: MN , USA Status: Online Points: 16997	Post Options Post Reply Quote A square 10 Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 10:44pm
	it looks like thgere is a spacer under the adjustment wheel that is larger than on mine .... i dont have a really good photo to explain what i think i see and i dont have rifles here anymore - nor my camera right now , it may be just me seeing [or not seeing] correctly not the same rear sight but it is on a no4 type -

Shamu Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510	Post Options Post Reply Quote Shamu Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 11:11pm
	OK that shows me something! I took the liberty of doing a bit of photo improving on your shot showing the rear of the charger bridge & noticed something odd. Look at the areas outlined in red, & then look at the same areas on my '55 Faz. Sorry it's from a different angle, but with a scope mount in place this is the best angle I could find. I don't seem to have either of those projections in my action! I also can't find them in my '43 Savage #4 Mk 1*. Can someone else here look at a ’42 Maltby & see if this is the same maybe? It looks from your pic like the range adjustment knob is jamming up against the left hand projection. Maybe this was a production shortcut that didn't matter with an "L" flip sight, but interferes with a micrometer type?
	Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)

Shamu Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 20510	Post Options Post Reply Quote Shamu Report Post Thanks(0) Quote Reply Posted: October 30 2012 at 11:17pm
	A Square. I have a Mk1 micrometer sight & it has the same shaped range adjusting knob as he does. I think what you're seeing is a difference between the 2 sight styles. What your caling a "spacer" is the part of the knob that provides the click stops when adjusting by droping a ball bearing into the cuts.
	Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)

A square 10 Members Profile Send Private Message Find Members Posts Add to Buddy List Special Member Donating Member Joined: December 12 2006 Location: MN , USA Status: Online Points: 16997	Post Options Post Reply Quote A square 10 Report Post Thanks(0) Quote Reply Posted: October 31 2012 at 2:25am
	ahhhh , as i said my rifles were not here for a look and i was only going by the photos in my bucket , not the best , referance books are not here either sorry to say , im sure the SAIS would have enlightened me to that , but , arent the knobs set into a knotch ? like in your third photo ? is his indicating that ? i cant really see