OH NO 300 BO BROS WE GOT TOO COCKY > General Discussion > AR15.COM I made some changes to my 300 BO. : r 300BLK B&T bolt action rifle SPR300 cal. .300 Whisper .300 Blackout with B&T SPR300 .300 Blackout Bolt Action Rifle First 300BLK. Broke boy Ghetto Blaster? Thats what I was goin for : r First 300 BLKT build complete : r 300BLK. Heavy Duty Waist Training Overbust Corset 20 Spiral Steel Bone, 4 Flat Steel Bone Front Length: 14 inch (35. 5 cm) Side Length: 12. 5 inch (32 cm) Back Length: 13. 0 inch (33. 0 cm) Fabric: Heavy Duty Fabric Lining: 100% Cotton For Extra Comfort Front Opening: Metal Busk Waist Tape: Invisible 1 Inch inside Modesty Panel: 6 7 inches Wide