F Glock Oem Barrel G21 45Acp SP05362 - $124.69 SP05362 - Firearms $18.45, Free over $500 Shooting Surplus F Glock OEM Barrel SP05362, 45 ACP, 4.6 in, G21 SP05362 $128.61 SP05362 - lat rate starting at $11.99 Hinterland Outfitters