7.62mm DCRA LE No4 conversion thread

size clicks

Hello Ian. A minute of angle is a fixed minute of angle. So why would the Central sight be different than the PH5C?
Isn't so that the Central sight was designed for the SMLE and not the No.4? JOHN
 
Yes you are correct. A minute is a minute. But, Centrals are metric, so many clicks to a cm. A Brit minute has been the same as it's been forever. US sights, Warner etc. Are about the same as Brit.
 
They oldest Centrals may have Brit minutes but I have never seen one. I have three Central's here that I bought in the mid 70's. They have the different minutes and are 3 clicks to their minute. Should also add, barrels are longer now, the shortest for that game is now 30" with some using 32". Longer the barrel the smaller the "minute".
 
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2x fair shape DCRA’s for sale in the Franford, ON area. @ #######, $2k each with Sterling mag and PH5c sights.
 

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jtaylor said:
Hello Ian. A minute of angle is a fixed minute of angle. So why would the Central sight be different than the PH5C?
Isn't so that the Central sight was designed for the SMLE and not the No.4? JOHN
Click to expand...

With iron sights, the amount of angular movement on the sight depends on the sight radius. So a minute on the sight may or may not be a minute on target.

The central sight is typically close to true minutes on the rifle. A Central minute is similar to a minute in a telescopic sight.

The British minute is 20% bigger on the sight.

Each of us makes plot sheets that are marked to correspond to our sight movement. So the size of the sight movement does not matter, FOR INDIVIDUAL COMPETITION.

For Team shoots it can cause problems for the coach. if there are 4 shooters per coach, and three coaches on the line, one coach might get all the guys using central sights. Or, the Team might specify that everyone will use British minutes.

The coaches talk back and forth. If there is a wind shift and one guy fires a shot, the other coaches will ask "How much did you have on for that?" If the shooter's coach says "11 minutes" it will make a big difference if everyone does not know which minutes was involved.

The Coach often reaches over and adjusts the shooter's sight for him. The Central sights are made with either 3 clicks to the minute (the small minute) or 4 minutes. Lots of guys with 3 click sights changed them to 6 click sights. This is the kind of thing that can screw up a coach. If I am coaching a shooter with odd-ball sights, I ask him to make the changes himself.
 
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Quite a few of them came into Canada but they were expensive, even at surplus prices. They were initially imported by Internation Firearm out of Montreal back in the nineties.

They come up for sale once in a while on the EE but they're still pricey.

I've had a couple. Neither of them shot well. They both had .310 bore diameters.

At the time they were made, they used a stronger type of steel to make the receivers, so they would handle the issue 7.62x51 pressures, which aren't that much different from the standard issue 303 Brit.

They were a stop gap measure for India as they transitioned to the FAL and the AK platform weapons.

All of those firearms had .310 bores, so very likely instead of making up special tooling for the 2A1 rifles they just went with what was on hand.

Do a search on the internet for one and be very careful about condition. Most of these rifles were ridden hard and put away wet.

It's relatively easy to use one of the banner brokers to bring one up from the US.
 
Had a question for the group. I have a DCRA LE with the PH-5C sight. I am having an issue with the elevation drum on the sight and wonder if anyone here had experience with them that they could suggest a fix.

The elevation screw spins but no adjustment is actually made on the sight regardless of which way I move it, the screw seems to be just spinning in place. Any ideas?
 
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