Stern Defense Barrel .45 ACP 16.10", Black

Faxon Firearms Blowback Button Rifled Pistol Caliber Taper Barrel 9mm 16", Black

Nighthawk Match Grade Government Non-Ramped Barrel .45 ACP 5", Stainless

Bond Arms Hand-Cannon Handgun Barrel .45 ACP 4.25"

Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

Faxon Firearms Mid-Length Button Rifled Pencil Barrel 5.56x45mm 16", Black

Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

Sons of Liberty Gun Works Precision SPR Barrel 6mm MAX 16", Black - Superior Quality - 16PRECISIONSPR-6MAX