Late 80's 723 style carbine. Lightweight K.I.S.S. and old school cool. Use as a base for your clone builds or simply run it as is. H&R marked M16A2 lower with an H&R M16A1 upper matches the transitional period after the M16A1 based carbines and before the adoption of the M4.
Details:
Caliber: 5.56 NATO
Barrel Length: 14.7” P/W to 16” OAL
Barrel Profile: Pencil
Barrel Steel: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized
Chrome Lining: Yes
Muzzle Thread Pattern: 1/2" x 28
Twist Rate: 1 in 7"
Barrel Extension: M4
Gas System Length: Carbine
Diameter at Gas Block: .625"
Gas Block Type: Rifle Height Front Sight Base
Muzzle Device: A2 -style
Receiver Material: Forged 7075-T6
Lower Receiver Type: M16A2
Upper Receiver Type: M16A1 w/o feed ramps
Handguard Type: Carbine 7 hole with heat shields
Bolt Material: Carpenter 158 Steel
Bolt Carrier Profile: Full Auto
Fire Control Group: Standard Mil-Spec Trigger Group