This Harrington & Richardson manufactured first variation trigger guard is for the early model 750 Pioneer bolt action rimfire rifle and is in very good condition exibiting a mixture of original blue finish and a brown patina with a few specks of rust. The first variation trigger guard is designed for the first variation stock which has hole spacing 2 1/4" apart (file photo)

Note: Harrington & Richardson model 750 Pioneer bolt action single shot rimfire rifles with the following serial numbers have been observed with this part: N.S.N.