Quote:
Originally Posted by AlcoholicusMaximus
Just trying to find out if where .300/.221 17 gr of h110 with a 147gr fmj might be on the scale in relation to pressures generated by moderate .223 loads.
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Your 17 gr H110 are max loads. Here is the reloading data for 150 from bullets from the Sierra reloading manual.
These loads were developed in a 10-in barrel TC contender. A 16-in barrel will produce about an additional 200 fps.
C.O.A.L. 2.25
Powder /Velocity 1400--1500--1600--1700--1800
AA-No.9 ----------12.4---13.4--14.4--15.5
2400 --------------13.4---14.1--14.8--15.7
Viht N110---------11.8---13.0--14.2--15.4---16.5
H110 ---------------------13.8--14.8--15.9---17.0
296 -----------------------13.8--14.8--15.9---17.0
Viht N120 --------15.1---16.3--17.5--18.7
AA-1680 ---------14.7---16.0---17.4--18.8
320pf