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The RAB-AD Pic Rail solves a real problem: needing to pack your rifle compact without permanent changes to the gun. This adapter mounts directly to Picatinny rail receivers and uses a simple push-and-twist mechanism that takes about 30 degrees to lock or unlock. Once detached, your buttstock comes clean off in seconds, and the whole gun becomes much easier to fit into a case or vehicle.
Stern Defense machines this from 7075-T6 aluminum and adds steel internals including ball detents and a locking bolt. That combination means it stays light without sacrificing toughness. The hard coat anodized finish handles repeated use without wearing through. Users consistently report the mechanism feels solid with no rattle, and the locking snap is crisp and reassuring when everything clicks into place.
The operation is straightforward. To detach, pull the release tab and twist counter-clockwise 30 degrees, and the stock comes free. To reattach, align the two pieces, push in, and turn clockwise 30 degrees until the steel locking mechanism seats. No tools required at any step. The built-in buffer retainer keeps your buffer weight and spring from getting lost during disassembly, which saves a headache if you need to take the stock off for transport or storage.
The RAB-AD Pic Rail works with direct impingement, gas piston, blowback, and radial delayed blowback systems across AR-platform builds. It's designed, machined, and assembled in-house at Stern Defense. The adapter adds 1.46 inches to your length of pull and weighs just 3.7 ounces, so it doesn't bulk up your gun. Note that it's not compatible with bolt carrier groups that have a flared boss at the rear, and the carrier tail must measure .950 inches or smaller.
The RAB-AD Pic Rail mounts directly to Picatinny rail receivers, while the standard RAB-AD attaches to buffer tubes on traditional AR-15 receivers. If your rifle has a picatinny rail where the stock normally connects, this is the version you need.
Yes. It accepts any compatible buttstock or pistol brace designed for Picatinny rail mounting. The quick-detach mechanism works the same way regardless of what you attach to it.
Most will work fine, but the RAB-AD is not compatible with carrier groups that have a flared boss at the rear. The carrier tail must measure .950 inches or smaller. If you're unsure, check your BCG or contact the manufacturer before ordering.
Yes. The adapter mounts permanently to your receiver's Picatinny rail. Only the stock or brace detaches. This means you don't lose the adapter, and reinserting a stock is just as quick as taking it off.
| UPC | 850001176798 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 008SDRABADPICRAILD1M |
| Model |
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