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Old 09-30-2013, 01:48 AM
RicN RicN is offline
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Join Date: Sep 2006
Location: Washington State, west side
Posts: 614
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My FB is the varmint HB built by Cooper. Although I haven't checked the twist, think I read Coopers were all 12T but could be wrong. Anyway, my load is 19.1 of R7 under the Nosler BT 40 grain bullet and Federal Br primers with Accuracy way beyond what I expected. When new, and after break-in of 25 rounds, the gun fired a five shot group under .500 @ 200yds, .357 as I remember. Jim Barker from this site had this same gun with his shooting as well I think but used 18.9 grains. These loads are not top velocity for the FB but accuracy has always come first for me....To date, this gun has only 350 or so rds fired and still shooting bug hole groups. Couple guys here locally have FB guns made on CZ 527's, both are scary accurate and with Lil Gun powder...The FB case is about perfect with little issues- FB, M4, 20VT - All terrific!
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