KKF AR-15

3 years ago
bigdude

Build details

The AR-15 22 LR I built used an upper I got from Kurt’s Kustom Firearms.

The barrel I got from Kurt is a 1:16 twist rimfire barrel with a unique barrel extension. The barrel extension in a solid round opening large enough to insert the 22 conversion chamber insert.

A standard AR-15 bolt will not fit into the barrel extension so there is no possibility of accidently chambering a centerfire cartridge.

This upper uses a Houge round hand guard and the barrel is black CMV with 1/2-28 thread an A-2 flash hider.

I used a four rail gas block on the barrel. I put a sling loop on the non ejection port side and a Brownell’s branded front BUIS.

I assembled a seperate RRA lower to use with the KKF dedicated upper.

As before I used a RRA NM lower parts kit and six position RRA commerical butt stock.

In the previous upper and this AR-15 I’m using Spectre CQB three point sling.

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