PTR Industries PTR 91 A3S (PTR 109) .308 Win Semi-Auto Rifle, 18-inch Barrel, Welded Top Picatinny Rail, 10 Magazines
This PTR 91 A3S is the PTR 109 variant built in the United States with the classic G3-style roller-delayed system. It features an 18-inch threaded barrel with an open-prong flash hider, a welded top Picatinny rail, and robust diopter iron sights. It accepts G3/91-pattern magazines and comes with ten 20-round steel mags, the factory-labeled case, and the sight tool. A bolt-on adjustable cheek riser is installed on the fixed polymer stock.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: There are some scratches and blemishes present. There is blemishing on the bolt face. The polymer handle on the charging handle is not present. The O-rings that provide tension on the cheek riser are mostly damaged and may need replacement. The handguard has a section that was ground to fit a previously mounted bipod; the bipod is not included, and fitment of another bipod is not guaranteed.
What’s Included
- PTR factory hard case with A3S (PTR 109) label
- 10x 20-round G3-pattern steel box magazines
- Sight tool
- Bolt-on adjustable cheek riser installed on fixed stock
The A3S (PTR 109) configuration pairs an 18-inch barrel with a welded top Picatinny rail for straightforward mounting of optics or accessories. The rifle retains traditional G3-pattern sights with a hooded front post and a rotary diopter drum rear, offering a proven sighting setup out of the box.
Its roller-delayed blowback action, fluted chamber, and stamped-steel receiver follow the G3 lineage while being U.S.-made by PTR Industries. The rifle is chambered in .308 Win and accepts G3/91-pattern magazines with a stated capacity of 20+1.
The furniture is durable polymer, including a wide/tropical polymer handguard (bipod-grooved), vented, and a fixed stock fitted with a bolt-on, height-adjustable cheek riser. Length of pull is 14.5 inches, and overall length is approximately 40–40.5 inches. Front and rear sling points are provided. The finish is black.
The barrel is threaded and fitted with an open-prong flash hider, and controls include a two-position selector (Safe/Fire). This example includes ten 20-round steel magazines, the factory-labeled hard case, and the sight tool—useful inclusions for setup and range use.