Precision AR build

[NYT]

proof research.

https://proofresearch.com/the-products/barrels/

[HK Dave]

Both my Rainier Ultramatch and Larue barrels shoot very tight groups with 77smk.

[milotrain]

Call Frank White at Compass Lake Engineering and have him build you an upper. He uses a number of different barrel blanks depending on what you want and how much you want to spend.

https://www.compasslake.com/

[1911whore]

I went with a Larue 18in bbl on the build....pics and range report to follow