Update on Birchwood Casey aluminum black on thunder tactical a2

Decided to try Birchwood Casey Aluminum Black for blacking out

SAR 18#6

Remington Model 870 Express Tactical 12 Ga, 18.5 Barrel, 3

BIRCHWOOD CASEY - ALUMINUM BLACK METAL FINISH, 3 FL. OZ

Walther PDP 9mm, 5 Barrel, Black Slide/Tan Frame, Adjustable Rear

Birchwood Casey Aluminum Black 3 oz Bottle

Rock Island Armory 1911 Tactical II Compact, 45 ACP, 3.5, 7rd

Bersa Thunder 380 .380 ACP, 3.5 Barrel, Fixed Sights, Nickel, 8rd

Smith & Wesson Equalizer 9mm, 3.675 Barrel, Optics Ready, No