LBE Gas Block, For AR, Includes Set Screws, Black ARLPGB Available to order on-line. Ships in 5-14 days Price: $29.99 Description Details Reviews Shipping info This is the LBE .750 Steel Nitride Finished Low Profile Gas Block. Made in the USA. Fits AR-15 4142 Steel Set Screws Roll Pin Made in the USA UPC: 765857617749Manufacturer: LBE UnlimitedModel: ARLPGBCategory: PartsOtherStock: Ships in 5-14 business days.Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.