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AR15.COM
11/28/2006 10:17:21 AM EDT
1. No lightweight profiles.
2. No A1 sight in a UTE2 style upper receiver--that would be amazing.
11/28/2006 12:42:15 PM EDT
[#1]
We have two lightweight profile R4s available right now (Chrome lined moly, 16", 1:9 or stainless, 16", 1:8)..check the "News from RRA" thread.  We are going to standardize the chrome-lined 1:9 and another new one (also light) inthe new catalog in January.  The stainless 1:8 is just a limitted supply, for a limitted time.
As to no A1-style UTE-2....we don't offer A1 in anything.  Being able to adjust the rear sight for windage and elevation, reserving the elevation adjustment on the front sight for significant changes, is generally seen as a positive item rather than a detraction.
Thanks.
Steve/RRA
11/28/2006 1:15:27 PM EDT
[#2]
That's great news. I posed the lightweight question to you about 12-18 months ago, and you stated at that time that you were focused on heavier barrel profiles for accuracy, and that you had no interest in producing LW profiles. It's nice to see the release of LW profile barrels.

The A2 sight has more detractors than supporters, in my opinion, on ARFCOM. I feel that a complex, match type sight has no purpose on a combat rifle. In reality, a good battlesight zero makes adjustable sights superfluous out to 300+ yds. Mark LaRue has designed a fantastic A1 style BUIS available with a same plane aperture. I think that that style sight, incorporated into a UTE2 style upper would be the cat's meow.

Questions 3-4:

3. Why do you use lock-tite on the castle nut, rather than properly staking? Do you feel that an adhesive is a smart choice on a weapon exposed to shock, vibration, and solvents?  

4. Why do you use non-mil-spec receiver extensions? I would pay the extra $10 for the proper part on a complete carbine.
11/29/2006 5:02:52 AM EDT
[#3]
Loc-tited castle nut was a response to significant contract requirement.  Shock, solvents, and other weapons stress won't budge it.  We havecompromised andgone to a blue Loc-tite rather than red, for easier removal should be necessary.
The commercial grade receiver extension that we've been using since we made our first stocks predates all of the new wonder stocks, and was (and still is) the most commonly used extension size on the market.
Steve/RRA