Adler AD500 .308 20″ Semi-Auto Rifle

Built for hunters and shooters who want a practical, no-nonsense semi-automatic in .308 Winchester, the Adler AD500 pairs modern materials with traditional ergonomics. The 20-inch, 1:12-twist barrel balances accuracy and weight for typical hunting loads, while capped, fiber-optic sights and a Picatinny accessory rail provide straightforward sighting and optics options.

Available in either a classic walnut sporter stock or a durable synthetic stock, the AD500S is finished with corrosion-resistant coatings and ships with multiple magazines depending on configuration. Generous adjustment range from the turrets and a comfortable, natural point of aim make this rifle an easy choice for backcountry work or range sessions. With a lightweight profile of roughly 6.6 lb, it’s balanced for carry without sacrificing stability.

Brand: Adler (ADLER / Adler Arms)
Model: AD500S
Caliber: .308 Winchester
Action: Semi-automatic, gas operated
Barrel Length: 20 in (51 cm)
Twist Rate: 1:12″
Stock Options: Synthetic
Sights: Front fixed / Rear adjustable (fiber-optic on some configs)
Rail: Picatinny accessory rail (integral/top)
Magazine Capacity:  5 
Overall Length: ≈ 42 in (106.7 cm)
Weight: ≈ 6.6 lb (≈ 3.0 kg)
Finish / Barrel Treatment: Melonite / corrosion-resistant finishes commonly used (varies by supplier)
Material: Steel barrel & receiver components; aluminum receiver on some builds (confirm per unit)
Safety: Cross-bolt / trigger block (model dependent)
Included Accessories: Includes 1 × 5-rd mag, sling
Intended Use: Hunting, range, general-purpose shooting
Condition / Classification: New; non-restricted