This is a genuine magpul ctr stock with the magpul extended butt pad that has been dremmeled out to fit vapex batteries in it, everything in the pictures is included:

 - CTR Stock - £90

 - Extended Butt Pad - £25

 - Hardware for stock

 - 2 x Vapex 1300mah 7.4v batteries - £26 

All in all this costs £150 new (or 165 without batteries from eagle6🙄) and has zero signs of wear, the price includes postage, if you have any questions pm me