Rainier Arms has just released their UltraMatch Billet Set MOD 3. The big difference is now they have added an ambi magazine release. Checkout Rainier Arms for all the details and ordering.

http://www.rainierarms.com/rainier-a...ombo-set-mod-3


Rainier Arms UltraMatch Billet Upper and Lower Combo Set MOD 3

Description:


Our billet sets are CNC machined from solid billet 7075-T6 aluminum which is 70% stronger than the commonly used 6061 aluminum and finished with milspec hardcoat anodize to a surface hardness of 60 Rockwell. We have designed our lowers with an ambidextrous magazine release and bolt release with extended latch for smoother deployment. The precision machining on our our billets are well known in the industry and we are excited to introduce our combo sets for your next rifle build.


Features:

Ambidextrous Extended Bolt Release
Ambidextrous Magazine Release
A4 Feed Ramps
7075 Billet Aluminum
Flared Magwell
Integrated Trigger Guard
Tensioning Screw for proper Upper/Lower Fit