Century Arms C308

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Century Arms C308 Gun Stats

Century Arms C308

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The C308 rifle is built around a roller-delayed blowback system. The C308 battle rifle features a fluted chamber for reliable cycling and extraction, MIL-Spec 1913 Picatinny scope rail permanently mounted to the receiver, polymer furniture, 5/8x24 RH threaded 18" barrel for use with common muzzle accessories and our proprietary Chevron muzzle brake. Comes with one 5 rd. magazine, and two 20 rd. magazines. Barrel: 18", Overall: 40.2", Weight: 8 lbs.

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Century Arms C308 Specs

Technical Data


.308 Winchester (7.62mm NATO)










128 oz

Barrel Length

18 1/2"

Gun Type


Century Arms C308 Features

The Century Arms C308 is a semi-automatic .308 caliber rifle that operates on a doler-delayed blowback action which allows the rifle to operate without the need of a gas system.  Due to its lack of a gas system and its semi-locked action, the C308 is an incredibly accurate and affordable rifle right out of the box.  It’s made with a stamped sheet metal receiver and is most commonly found with composite furniture, though wood stocks and handguards are available.

Century Arms C308 Ballistics

.308 Winchester (7.62mm NATO) Ballistic Data
Range (Yards) Drop (inches) Velocity Energy Wind drift (inches) Time (milliseconds)
0 0 0 0 0 0
50 0 0 0 0 0
100 0 0 0 0 0
150 0 0 0 0 0
200 0 0 0 0 0
250 0 0 0 0 0
300 0 0 0 0 0
350 0 0 0 0 0
400 0 0 0 0 0
450 0 0 0 0 0
500 0 0 0 0 0

Century Arms C308 Capacity

The Century Arms C308 is chambered for 7.62x51mm (or .308WIN in countries that have been to the Moon) and uses CETME and HK magazines with capacities of 5 and 20 rounds.  Note: PTR pattern magazines WILL NOT work with the C308.
The C308 measures 40 inches long and weighs 9 pounds, making this gun somewhat difficult to carry over long distances.  Its reload process is slower and more involved than reloading other modern sporting rifles.  The longer length of the C308 prevents easy use in close-quarters environments, however the low-profile controls and simple geometry improve its ease in carrying through dense vegetation.

Century Arms C308 Mobility


Century Arms C308 Ergonomics

The C308 is an American-made copy of the HK91/G3 rifle which is a derivative of the Spanish CETME rifle, and is semi-automatic only.  Its handling and controls are identical to the G3.  Both the safety and the magazine release are pretty far forward compared to other modern sporting rifles, and most users will have to stretch their hands or turn the rifle to reach them.  The charging handle is found over the handguard and folds down when not in use to minimize its profile.

Century Arms C308 Fit & Finish

The C308 is made of stamped sheet steel in its receivers while its internals look like they came from an Eastern-European sweatshop as the ugly welds show clearly through the black finish, however this rifle is durable and accurate enough to get away with such minor details.  Besides, who doesn’t love doing the HK Slap?
Fit and Finish

How much is a Century Arms C308 worth?

In 2024 a new or used Century Arms C308 value varies depending on supply and demand. In the last 12 months there is great demand for a Century Arms C308 and most rifles. The Price for a Century Arms C308 has increased in cost by $0.00 in 2024 compared to 2023.

Estimated New and Used Values for a Century Arms C308 Values are based on a basic model with no options or colors.

Condition Trade-In Private Party Dealer
New In box $779.99 $1,019.99 $1,199.99
Excellent $719.99 $959.99 $1,079.99
Very Good $659.99 $959.99 $1,079.99
Good $600.00 $899.99 $1,019.99
Fair $420.00 $779.99 $959.99
Poor $300.00 $600.00 N/A

Gun Value Conditions explained:

New in box - 100% condition in unopened box. Excellent - 95%+ condition with or without box.

Very Good - 90% - 95% condition (all parts/finish should be original).

Good - 80-90% condition (all parts/finish should be original).

Fair - 30% - 80% condition, parts, and finish may or may not be original. Must function properly and shoot.

Poor - under 30% condition. Firearm has severe wear and tear, does not function, or is damaged.

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