Used Century Arms CAI C308 Sporter 308 Win C CETME HK91 G3 +3 MAGS & ORIG BOX

CAI C308 Sporter C-308 CETME HK 91 G3 Style

Sold On:September 10, 2026 at 10:40 PM
How Buying WorksEnded on September 10, 2026 at 10:40 PM

Key Features

  • Item Type: Semi Auto Rifles
  • Action: Roller-Delayed Blowback
  • Manufacturer: Century Arms (CAI)
  • Capacity: 20 1
  • Model: C308 Sporter
  • Barrel Length: 18"
  • Caliber: .308 Win.
  • Finish: Black
  • Overall Condition: Excellent

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Product Description

    Century Arms C308 Sporter .308 Win Semi-Auto Rifle, 18 in Barrel, Roller-Delayed Blowback, Welded MIL-STD-1913 Top Rail, Black Polymer Furniture

    The Century Arms C308 Sporter is a U.S.-made, HK/CETME-pattern .308 Win semi-auto with a roller-delayed blowback action, an 18-inch 4140 chrome-moly steel barrel, and a welded MIL-STD-1913 top rail. It comes with black polymer furniture, a hooded front sight with the welded top rail ready for optics or a rear sight, and a 5/8x24 RH threaded muzzle with a multi-port brake installed. This example is in excellent condition with a clean, sharp bore and includes two 20-round magazines and one 5-round magazine.

    Condition

    Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.

    Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.

    Bore Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Notes: This rifle shows minimal evidence of prior use. The bore is clean and shiny.

    What's Included
    • No case included
    • Two 20-round G3-pattern metal magazines
    • One 5-round G3-pattern metal magazine

    This C308 Sporter follows the proven HK/CETME pattern with a roller-delayed blowback system and a stamped sheet steel receiver. It uses G3/CETME-pattern detachable box magazines and features a two-position SEF-style selector with S (white) and F (red) markings.

    The 18-inch barrel is made from 4140 chrome-moly steel and is threaded 5/8x24 RH. A multi-port muzzle brake is installed at the factory. The bore shows excellent rifling with sharp lands and grooves.

    A welded MIL-STD-1913 top rail is integral to the receiver for secure mounting. The rifle retains a hooded front post; rear sighting solutions or optics can be mounted to the rail as desired. The rifle is finished in black.

    Ergonomics are straightforward with durable black polymer furniture, including a fixed stock with a rubber buttpad, a slim ventilated handguard, and a polymer pistol grip. Length of pull is 15 inches, and the rifle incorporates a manual safety.

Specifications

Item TypeSemi Auto Rifles
ManufacturerCentury Arms (CAI)
ModelC308 Sporter
Caliber.308 Win.
Overall ConditionExcellent
Bore ConditionExcellent
Manufacturer Part NumberRI2253-X
ActionRoller-Delayed Blowback
Capacity20 1
Barrel Length18"
FinishBlack
Stock/Gripspolymer pistol grip
Sight/Opticiron sights
What's IncludedOriginal box
Country of OriginUnited States