A muscle-bound NFL lineman was busted at LaGuardia Airport today for packing a loaded .40 caliber Smith & Wesson pistol.

Da’Quan Bowers – a second-year defensive end for the Tampa bay Buccaneers – was arrested at 11 a.m. at a US Air ticket counter as he was about to board a plane for North Carolina.

Sources believe Bowers arrived in New York with the gun on Friday, and was carrying the piece and a clip with eight rounds in a carry-on bag.

“The two of them were in the same bag, under the law it’s considered a loaded gun,” the source said.

Bowers, a Tampa resident, was boarding a flight to North Carolina, with his unidentified girlfriend, who lives in Raleigh.

The former Clemson All-American was charged with second-degree criminal possession of a weapon and was awaiting arraignment.

Bowers, 22, a South Carolina native, just completed his second NFL season in 2012.

For his career he has 38 tackles and 4.5 quarterback sacks.