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Maksim

Let see those Rimfires. =P

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The M&P22 has a metal "chassis" that sits in the polymer frame.

 

1. Grab a punch and knock out the roll pins. I've heard that you can wiggle the safeties off just by removing the rear pin, but i wasn't able to get that to work.

2. Once both pins are out, the chassis lifts right out, and the only thing left in the frame is the mag release and mainspring. There is a bit of pressure from the mainspring pushing the whole assembly up, but no small parts will fall off.

3. The plastic safety levers are attached to square posts, and pull straight off.

4. When putting the chassis back in the frame, just make sure that the safety is down. If you install it with the safety up, you can push it down with a thin bladed screwdriver.

 

The trickiest part to getting it all back together is getting the hammer strut to sit on the mainspring cap without slipping off. Other than that, it's a 5 minute job.

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My ultra light AR-22. She's a svelte 3# even with optics due to its minimalistic design and extensive use of carbon fiber and polymer (the only steel is in the barrel liner and bolt/trigger).

 

2012-06-28_23-41-47_316.jpg

 

With the inherent understanding that more steel would have to be used in a centerfire caliber, can something like this be built for a centerfire? Very cool looking. Where did you find the parts for it?

 

C

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With the inherent understanding that more steel would have to be used in a centerfire caliber, can something like this be built for a centerfire? Very cool looking. Where did you find the parts for it?

 

C

The answer is yes, however, it is significantly more expensive for centerfire the ligher you wish to go.

 

On the cheap end of the spectrum, there are factory offerings from the likes of Bushmaster (Carbon-15) who employ polymer upper and lower receivers and lighweight profile barrels to keep the weight down. The net result is a very light rifle but many people question the fragility and durability of that brand. Then there are the homebrew equivalents using NFA/plum crazy, CAV arms, etc receivers with a polymer upper (bushmaster or worse, vulcan) and lightweight carbine or ACE stocks with 14.5" pencil barrels and plastic/carbon fiber handguards which can result in sub 5lb centerfire configurations. On the exotic end of the spectrum, you have Christiansen Arms who builds something similar to mine above in 223 but at a very high cost. They have a carbon fiber sleeved bull barrel to save weight which provides for better accuracy than a simple minimalistic pencil barrel. They do use aluminum receivers but to haev carbon fiber handguards to keep front end weight down so the balance, which is the most important factor, is still good even if its not the absolute lightest.

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The answer is yes, however, it is significantly more expensive for centerfire the ligher you wish to go.

 

On the cheap end of the spectrum, there are factory offerings from the likes of Bushmaster (Carbon-15) who employ polymer upper and lower receivers and lighweight profile barrels to keep the weight down. The net result is a very light rifle but many people question the fragility and durability of that brand. Then there are the homebrew equivalents using NFA/plum crazy, CAV arms, etc receivers with a polymer upper (bushmaster or worse, vulcan) and lightweight carbine or ACE stocks with 14.5" pencil barrels and plastic/carbon fiber handguards which can result in sub 5lb centerfire configurations. On the exotic end of the spectrum, you have Christiansen Arms who builds something similar to mine above in 223 but at a very high cost. They have a carbon fiber sleeved bull barrel to save weight which provides for better accuracy than a simple minimalistic pencil barrel. They do use aluminum receivers but to haev carbon fiber handguards to keep front end weight down so the balance, which is the most important factor, is still good even if its not the absolute lightest.

 

Hey Jon, thanks. Where did you find the parts for yours?

 

C

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Hey Jon, thanks. Where did you find the parts for yours?

 

C

 

Chris, TACCOM makes the complete upper (carbon barrel, receiver and handguard) and also the carbon butstock. They also sell bolts now but i have a stainless CMMG bolt. Lower receiver is polymer NFA from joebob's.

 

http://www.taccom3g.com/AR15_22LR_COMPONENTS.html

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