** The Panzer M4 pictured above is California legal and does not require additional CA compliant parts or modification. **
If you're looking for a shotgun that's as tough as it is reliable, the M4 Tactical 12 Gauge Shotgun from Panzer Arms is the gun for you.
It's light, durable, fast-handling, and an exact copy of the well-respected brand name with the famous A.R.G.O Piston-driven semi-auto action—one of the best ever developed and cycles everything from target loads to the heaviest 3-inch magnums.
You'll also get an extended mag tube with sling attachment points and a rail section running along the top of the receiver—perfect for optics mounting if you want to go that route or if not, ghost ring sights come standard.