The gun thread. Enthusiasts only.
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03-10-2016, 05:47 AM
RE: The gun thread. Enthusiasts only.
(01-10-2016 07:45 AM)Chas Wrote:  
(01-10-2016 07:02 AM)onlinebiker Wrote:  Just did an ar10 for the nephew...

The instructions said the job could be done with a drill press.

Wild optimism that........

I suppose it could, but I used a drill press to put 8 holes in the trigger well, followed by a router with a 3/8" end mill to finish it, followed by a drill press to drill the holes for the safety selector and trigger group pins.

I got the jig and tooling from these guys.


I did it on my vertical mill... They claim that you can do the pocket milling on a drill press......

I suppose you could, if you didn't mind breaking lots of end mills ---

and didn't mind a finished product that looked like it was chewed out by a beaver on a 6 week meth binge...............

....

.......................................

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25-10-2016, 06:38 AM (This post was last modified: 25-10-2016 06:51 AM by Chas.)
RE: The gun thread. Enthusiasts only.
(03-10-2016 05:47 AM)onlinebiker Wrote:  
(01-10-2016 07:45 AM)Chas Wrote:  I suppose it could, but I used a drill press to put 8 holes in the trigger well, followed by a router with a 3/8" end mill to finish it, followed by a drill press to drill the holes for the safety selector and trigger group pins.

I got the jig and tooling from these guys.


I did it on my vertical mill... They claim that you can do the pocket milling on a drill press......

I suppose you could, if you didn't mind breaking lots of end mills ---

and didn't mind a finished product that looked like it was chewed out by a beaver on a 6 week meth binge...............

....

Mine came out pretty well, though there was a bit of galling. I'm told by an experienced machinist that that is likely due to the router spinning too fast for the material.
He suggested a different coolant/lubricant (LPS) and finishing the cuts by going back in the opposite direction.
Another fellow suggested using kerosene as a lubricant with aluminum.

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The rifle is built and functions flawlessly.

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25-10-2016, 07:07 AM
RE: The gun thread. Enthusiasts only.
I had bought a Browning Citori CX in September. While I really liked the quality and the fit of the gun, I couldn't seem to get consistent results in trap with it. Consider

So I laser bore-sighted it and found that at 40 ft. the point of impact was 3 or 4 inches right of the point of aim. This translates to more than a foot at 40 yds.

I inspected the gun carefully and discovered that the mid-bead was off-center by a good millimeter or more.

[Image: CX mid-bead.jpg]

I contacted Browning customer service and they told me to send it to them. and sent me a UPS shipping label. Because it was new, the guy said they might repair it, replace the barrels, or replace the gun.

They received it October 11th and UPS is delivering it to me today. I am eager to see what they did.

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25-10-2016, 07:10 AM
RE: The gun thread. Enthusiasts only.
Yeah - kero or diesel fuel work as a good lubricant on most aluminums......

Best bet - sharp end mills and a rigid setup......

.......................................

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25-10-2016, 04:06 PM
RE: The gun thread. Enthusiasts only.
(25-10-2016 07:10 AM)onlinebiker Wrote:  Yeah - kero or diesel fuel work as a good lubricant on most aluminums......

Best bet - sharp end mills and a rigid setup......

I used a new end mill and the setup was the jig in a bench vice.
I'll try using diesel for lube, and I think my technique will be smoother and more assured for the next one.

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25-10-2016, 04:12 PM
RE: The gun thread. Enthusiasts only.
(25-10-2016 07:07 AM)Chas Wrote:  I had bought a Browning Citori CX in September. While I really liked the quality and the fit of the gun, I couldn't seem to get consistent results in trap with it. Consider

So I laser bore-sighted it and found that at 40 ft. the point of impact was 3 or 4 inches right of the point of aim. This translates to more than a foot at 40 yds.

I inspected the gun carefully and discovered that the mid-bead was off-center by a good millimeter or more.

[Image: CX mid-bead.jpg]

I contacted Browning customer service and they told me to send it to them. and sent me a UPS shipping label. Because it was new, the guy said they might repair it, replace the barrels, or replace the gun.

They received it October 11th and UPS is delivering it to me today. I am eager to see what they did.

OK, the gun arrived about 20 minutes ago. Smile

It looks great and it definitely does not look like they just repaired the bead.
It is at least a new rib if not a whole new barrel set. Consider

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07-11-2016, 05:18 PM
RE: The gun thread. Enthusiasts only.
How many calibers do you have?

I've got .22LR, .380, 9mm, .40 S&W and .38/.357 for pistols and carbines,
5.56x45/.223 and 7.62x51/.308 for rifles, and 20 Ga and 12 Ga for shotguns.

I don't have much .40 as I don't like it much - too snappy.
And not a lot of .380 as I think it is borderline ballistically.

Oh, yeah. .177 pellets for the RWS.

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08-11-2016, 05:48 AM
RE: The gun thread. Enthusiasts only.
More than I probably should. There's .22 LR, .22 mag, 9mm, 38, 357mag, 44 mag and 45 ACP in handguns. .22 LR, 223. and 5.56, 260, 270, 30-30, 7.62x39, 7.62x51 and 308, 30-06, 338 and 45-70 in rifles. 410 and 12 gauge in shotguns.

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08-11-2016, 06:41 AM
RE: The gun thread. Enthusiasts only.
Forgot the 300 blackout...

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08-11-2016, 09:01 AM
RE: The gun thread. Enthusiasts only.
In addition to the 5.56 and 9mm mentioned in the other thread, I forgot about the .54 cal lead muzzleloaders I have for my slingshot Big Grin

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