The Timber Creek Outdoors Pencil barrel (brand part number TC556P16) is a 16 inch, 5.56 NATO AR barrel with a slim pencil profile, machined with M4 feed ramps and finished in Black Nitride.
Key Specifications
- Chambered in 5.56 NATO.
- 16" barrel length – meets the legal minimum for a rifle-length barrel.
- 1:7" rate of twist.
- Slim "Pencil" profile for a lighter overall build.
- Machined with M4 feed ramps for reliable feeding.
- Black Nitride finish.
- Sold as a standalone barrel (no bolt carrier group or upper included).
- Compatible with M4-feed-ramp-cut AR-15 pattern upper receivers.
Frequently Asked Questions
What caliber and twist rate is this barrel?
5.56 NATO with a 1:7 inch twist rate.
Does this barrel have M4 feed ramps?
Yes, they’re machined in for reliable feeding.
Does this come with a bolt carrier group or upper?
No, it’s sold as a standalone barrel.
Buy the Timber Creek Outdoors Pencil Barrel
Build a lighter AR upper with this slim-profile 5.56 barrel. Ships fast from a Lubbock, TX gun shop, part of our Timber Creek Outdoors lineup in our AR barrels selection.
