The H&R Retro M16A1 (brand part no. HR51655139751) is a semi-automatic tribute to the classic Vietnam-era service rifle, chambered in 5.56mm and finished in black to match the original’s iconic look. Built with a 20-inch barrel, it captures the full-length profile and handling of the historic M16A1 while operating strictly as a semi-automatic for civilian ownership. Iron sights come standard, keeping the retro aesthetic intact without requiring an optic. It ships with a 30-round magazine, ready for the range or a collector’s display.

Key Specifications

• Chambered in .223 Rem/5.56 NATO, the M16 platform’s original chambering.
• Built around a 20-inch barrel, matching the historic M16A1’s full-length profile.
• Feeds from a 20-round capacity configuration, with a 30-round magazine available.
• Equipped with iron sights for classic, optic-free operation.
• Runs a semi-automatic action only, true to civilian-legal M16A1 tributes.
• Barrel is chrome-lined 4150 chrome-moly steel with a parkerized finish for mil-spec durability.
• Rifled with a period-correct 1-in-12-inch twist rate, matching the original M16A1’s slower twist.
• Upper and lower receivers are forged from 7075-T6 aluminum.
• Fitted with triangular M16A1-pattern handguards and heat shields over a rifle-length gas system.

Frequently Asked Questions

Is the Retro M16A1 a machine gun? No, it is strictly semi-automatic, firing one round per trigger pull despite its military-pattern styling.

What makes it a Retro model? Its 20-inch barrel and black finish are built to match the classic Vietnam-era M16A1’s look and handling.

Does it come with sights? Yes, it ships with iron sights for classic, optic-free operation.

Buy the H&R Retro M16A1 Rifle

Order the H&R Retro M16A1 in 5.56mm from our Lubbock, Texas gun shop for fast, insured shipping to your local FFL. H&R built this rifle as a faithful tribute for collectors and range shooters alike, part of our full semi-auto rifles lineup.