August 10, 2010
Some fun .233 Remmington and 5.56 NATO I picked up to test the new rifle…
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S’more fun stock 10A4C pictures with the EOTech sight…
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Here’s the new M4gery. I hope Santa Claus will bring the MOE grip and UBR.
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So I really wanted and Armalite lower but they’ve decided that constant back orders is preferable t0 cash in the bank so I went with a pre-built Stag lower from West Coast Armory. I also picked up a Magpul MOE handguard, receiver extension, spring, and magazine from Midway USA. Below are some pictures of the product.
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Below are images comparing the uppers of an AR-10 and AR-15.
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To justify getting an AR rifle, it needed to be legal to hunt with in Washington which requires at least a .240 caliber rifle. That led me right to the AR-10. Of course, as I researched and built that rifle I came to the conclusion that I really needed and AR-15 too. Honestly, who doesn’t.
I wanted something small and light which meant a 14.5″ barrel with a permanently mounted flash hider. Talking to the local dealer it became clear that was a hassle. Enter BCM.
At just the right time their lightweight 14.5 uppers became available and I bought it as fast as I could… They typically don’t last long. I also included the BCM BCG as it too is a quality piece of hardware.
I bought it on Saturday and it was in the mail on Monday and at the house on Friday.
The quality is amazing and the freebies, including the hat are great. Below are some pictures.
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It all starts with a $10 stock wrench from Amazon:
…note it includes the carbine castle nut wrench (far left) and rifle tube wrench (middle.) We’ll need both.
Get your ghetto vice and stick a short 2×4 in it. Trim the 2×4 so the AR-10 mag-well fits in it.
Now, with the spousal unit holding the un-mounted ghetto vice, turn the castle nut and remove the carbine buffer tube:
Now install the Magpul UBR buffer tube:
Now install the UBR top stock with the cheek piece. Simply slide it on and install the screw at the back of the cheek piece that goes into the receiver extension:
Install the bottom stock:
Here’s a closeup of the AR-10 carbine vs UBR receiver extensions:
Here’s the rifle with the UBR installed:
The result is a vastly improved cheek weld and handling of the rifle. The collapsible stock left a wobbly feeling when aiming. The UBR gives the feel of a solid wooden stock without losing the extensible stock feature.
It’ll likely be standard equipment on any AR rifle I buy/build.
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