Center Balanced Rifle Platform Systems makes a unique bullpup stock that accepts a Romanian Draco Pistol. The complete gun (with Romanian Draco Pistol installed in the CBRPS stock) has been approved by the BATFE as a pistol. The price for the stock is $220 (you provide the Romanian Draco Pistol).
“Your new design eliminates the forward handgrip and thus does not facilitate two handed firing as your initial design did. Therefore FTB finds that an AK pistol mounted in your redesigned stock is intended to be fired with one hand and thus constitutes a “pistol” as defined in the Gun Control Act. Accordingly an AK pistol mounted in your newly designed stock would not meet the definition of an “AOW” as noted above and thus would not be regulated under the provisions of the NFA in any way.”
Like the Franklin Armory XO-26, this gun really seems to push the limits of NFA category classification. I really like the idea, but availability seems to be an issue. You’ll have to closely watch their website to see when the next ordering period is.
Credit: The Firearm Blog.