Primary Weapons Systems MK2 .308 Win AR-10 Long-Stroke Piston Rifle, 22 in Barrel, Two-Tone, 20+1
This PWS MK2 .308 Win large-frame rifle pairs the MK2 family’s long-stroke piston system with a two-tone finish and a 22 inch barrel. It accepts DPMS/LR-308 (SR-25 pattern) magazines and includes thoughtful upgrades like a Black Rain Ordnance ambidextrous charging handle and a Strike Industries dust cover. The free-float KeyMod handguard with a continuous top Picatinny rail and the fluted PWS receiver extension with U.S. Design Patent D780,875 add distinctive, verifiable features collectors and shooters will recognize.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The rifle shows handling wear throughout, with scuff marks and blemishes on the barrel and upper receiver. The bore is clean and shiny.
What’s Included
- 1x 20-round Magpul PMAG LR/SR-pattern polymer magazine
- Black Rain Ordnance ambidextrous charging handle (installed)
- Strike Industries AR dust cover (installed)
- KeyMod short Picatinny accessory rail section at 6 o'clock on the handguard (installed)
The MK2 series uses a long-stroke gas piston action tailored for the large-frame AR-10 platform in .308 Win. This example is configured for 20+1 capacity and accepts DPMS/LR-308 (SR-25 pattern) magazines. It was made in the USA.
The two-tone finish sets it apart, with a light gray upper and handguard contrasted by a black lower, stock, and grip. The upper receiver includes a brass deflector and a forged "A" mark. There are SAFE/FIRE selector markings on both sides for ambidextrous use.
The 22 inch barrel is threaded and fitted with a cylindrical multi-port muzzle device. A free-float aluminum KeyMod handguard runs the full length of the top with a continuous Picatinny rail, and a short accessory rail section is installed at 6 o'clock. No sights or optics are installed.
Ergonomics and handling features include an ambidextrous safety selector, a black polymer telescoping stock with a QD sling socket and rubberized buttpad, and a black textured AR-pattern pistol grip with a beavertail. The fluted PWS receiver extension carries U.S. Design Patent D780,875. Notable installed components include a Black Rain Ordnance ambidextrous charging handle and a Strike Industries ejection port cover, and it ships with one 20-round Magpul PMAG.