Shamals had thicker aluminium cylinder line, SM, TM and NJR one piece thin steel tube.
Both breach blocks seen aluminium and brass used. Sticker when original will show either Shamal, SM100, TM100 or NJR.
All stocks off a pattern made by Custom Stocks.
Regs and Olympic trigger were only standard on NJR.
Reg is John Alcock design works great but susceptible to temp fluctuations, most had Mick Dawes retrofits.
Trigger copy of the Gammo unit as used in ASI MC2000, BSA S10, MDS/Brocock and latest Anchutz to name a few.
Olympic triggers were later available to buy and retrofit, the US bought most up 14 years ago at good money.