these are threaded in 1/2 inch by 20 teeth per inch UNF thread standard
they measure 45mm long by 25 mm in diameter approx
with a 7 mm exit hole
these was machined from a SOLID STAINLESS BAR
they are not electro plates ,,chrome sticky taped or painted in any way
any speckles in the pictures are either debris left over from machining
or pocket fluff when i collected them
ONCE THESE ARE GONE ,, THERE GONE ,, I AM NOT GETTING ANYMORE MADE
i have other listings for other styles and colour
the white blob is blue tack,, used to stop it rolling around during photography
not any illegal substance , and not for sale or included in the offer
smoking blue tack is hazardous to health and is not advised
SUITABLE FOR .22 .223
CAN BE DRILLED OUT FOR LARGER BORES
ebay
having checked your listing conditions ,, these are not on it
they do not carry any offensive symbols or markings
do not promote acts of violence or cause birth defects
and are not radioactive
they are not part of any firearm upper or lower or form any part of a trigger/ fire control group
they cannot alter any weapons rate of fire or be altered to