Originally Posted by
taekwondopreacher
I went out and ran my 14" suppressed build. I should have taken pictures, because this barrel keeps surprising me with its accuracy. At the advice of another BRT barrel burner (two of them, actually) I tried a Tubbs flat wire spring and am an instant fan. Less dot movement, more "linear" recoil impulse, smoother feel overall. I took two lowers with me that are identical minus spring selection, and ran both lower/upper combos through barricade position, standing drills, and prone.
1168- I'll try to get some groups up early next month with my Light barrel to supplement your data.