Pictured are assorted lapco hammers (except for top left). Some are engraved lapco on the top. The Brass hammers pictured have stainless inserts. Brass hammers are supposedly low friction but high strength with the stainless insert. They are not as heavy as stainless.
Find more Lapco pump parts including lapco flutted hammers on baccipaintball at:
http://www.baccipaintball.com/parts/pump/nelson/brand/lapco.html
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