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Complete Upper Receiver Assemblies
Delton 16" HBAR Midlength 5.56MM Upper
Stock Status:(Out of Stock)
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Delton Mid Length Upper - 16.0" HBAR 5.56 NATO 1/9 Twist (Chrome-Moly) Delton mid-length upper is built from the standard forged A3 flat top receiver with M4 feed ramps. The barrel is 4140 steel, government profile HBAR, 5.56mm NATO chamber and bore with a 1:9 twist ratio and threaded 1/2x28 with removable A2 flash hider. Delton M4 Uppers are pre head spaced and test fired before shipping and include a Semi-Auto Bolt Carrier & Charging Handle. Delton uppers are built to Mil-Spec standards and will mount onto any standard mil-spec AR15 lower receiver assembly.
Delton Mid Length HBAR standard features:
Mil-spec certified 4140 chrome-moly vanadium steel barrel
5.56x45 NATO chamber
HBAR Barrel Twist: 1/9
1/2x28 RH Muzzle Thread
Pre-ban features with Bao-Lug
Mid length gas system with standard 8.125" handguard
11 degree recessed target crown for optimal accuracy
Removable (unpinned) A2 Flash hider installed with crush washer.
Mid length Single heat shield handguard
Forged M4 upper receiver is T marked and has M4 feed ramp cuts
Semi Auto bolt carrier & Charging Handle Incl.
Mil-spec .250 diameter take-down pins
Each barrel is individually magnetic particle tested.
Barrels are engraved
DTI 5.56 NATO 1:9
Each upper is head spaced and test fired before shipping.
Bushmaster A3 Upper Assembly .223/5.56 Caliber 16"
CMMG UPPER 556NATO 18" SS BULL BBL
CMMG Complete UPPER M4LE .22 16" PENCIL BBL
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