Bushmaster H-Barrel 1/9 Twist, 24" Barrel Complete AR Upper $649.99 Add To Cart DescriptionSpecificationsShipping & PaymentAdditional Info. Bushmaster H-Bar 1/9 twist 24" Complete AR Upper. Used little to no wear. No FFL transfer required. Item Number: 706800444 Shipping: Shipping: $35.00 Ask a Question About this Item