Double Star Ar 15 16" Ds 4 Barreled Upper With Low Profile Gas Block Ar 15 16" Ds 4 Barreled Upper W/ Low Profile Gas Block US Specifications







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Double Star Ar 15 16

Double Star Ar 15 16" Ds 4 Barreled Upper With Low Profile Gas Block Ar 15 16" Ds 4 Barreled Upper W/ Low Profile Gas Block US Specifications


Rifle Upper Receivers by Double Star



Technical data & information: Double star upper with 16" ds-4 barrel, ready to be your next build's foundation. Ds-4 barrel features a 1-9 twist, m4 feedramps and a matte black, phosphate finish. Barrel is chambered in 5.56x45mm nato, and does not have chrome lining. Flat top upper receiver is ready for the attachment of picatinny accessories and barrel. Carbine gas tube and barrel assembly are ready for your choice of handguard and muzzle device. Muzzle is threaded β½-28, for attachment of standard ar-15 devices. Low profile gas block installs onto the barrels .750" od gas shoulder. Upper features standard gi barrel nut. Does not include: bolt car mfg: double star specs: fits, standard ar-15/m16 components. Does not include: bolt carrier group, charging handle, handguard, muzzle device or crush washer. US specification & reliable quality rifle upper receivers by Double Star. Part Nr: ARBUS102.

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