He may have gotten two from a particular contract, but there were more than those sold stateside.   Also you'll find some of the conversions were marked LaFrance.  They are deifinately great weapons.

The M14K was made with several different stocks.  All they did was cut down the forend.  I think Boyds made several for Smith Enterprise Inc. (SEI), others apear to have been modified.  I have handled the M14K standard style stock, but have seen pics of them with an E2 style stock, and with the BM59 style folding stock.  I noticed the stock in the pic has the original hardware, but has the front swivel on the bottom.  That may have been standard for the M14K with that stock as they probably used the wood blanks already made and cut them down before finishing.  That's just my speculation.

The folding stock with the support arm is the original style that Beretta put on their BM59 and is not unique to the SEI  M14K.  The buttstock portion was then placed on stocks the M14 and M1A.  These forends were factory made and used surplus Beretta parts.  The BM59 stuff was bought by Springfield Armory Inc. (SAI), which is owned by the Reese family.  The Reese family also owns Reese Surplus.  When the forend and buttplates were all gone, Reese Surplus had a different forend and a different buttplate made and used whatever surplus parts they could.  That's how they ended up with the folding stock that Reese sold.

Reese:  Front swivel on bottom, different buttplate with no support arm, wood pistol grip

SAI/Beretta:  Front swivel on side (on a regular M14/M1A stock), original BM59 hardware with support arm, plastic pistol grip.