{HEAD ~ The receiver} includes a receiver extension which is rigidly connected with {TAIL ~ a stock} 30 
{ HEAD ~ The receiver } includes a receiver extension which is rigidly connected with { TAIL ~ a stock } 30
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH