Front sight

[hunterUK]

Thanks guys the rifle is a newly assembled no1 mk3* it's been assembled using unissued original and matching serial numbered parts that have been sat in storage the barrel is unfired also it's maid by C&g firearms here in the UK I will be shooting PPU 174gr FMJ ammunition only I was hoping someone could tell me what sizes I should look at and what sizes to avoid using as I have the full set to give me a rough area before I start to zero it