Reloading-customer input and results.

Please note: This data is not tested by the owners or employees of RB Precision. The data is provided by our customers, we do not recommend nor endorse any information found on this page, We assume no Liability for damage incurred by this data used in your reloading, by continuing on YOU assume all liability.

The following data is submitted by Michael "the hammer" R. He is a great customer dedicated to AR bench shooting and has purchased multiple AR configurations from us.

Rifle: Rock River/RB Precision AR upper 1/2 Varmint 18", 920 diameter, RRA Lower 1/2 NM 2 stage trigger

Distance:100 yards

OAL 2.242

Powder: WW748, 27 gr.

Bullet: Sierra 1390, 55 grain BTHP

Number of shots: 5

Wind: NIL

Temperature: 76 degrees

Center to center spread: .300 (max)

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Our friend Mike C. sends us his data, long range with 1:8 twist (GREAT SHOOTING MIKE!!!)

Rifle: Rock River/RB Precision AR upper 1/2 Varmint 24", 920 diameter,

Distance:100 yards, 300, 600

OAL n/a

Optics: ???

Powder: Varget 26.7

Bullet: Various

Number of shots: multiple groups see below

Wind: ???

Temperature: ????

Center to center spread: .

@.300 yards---.861

@100 .493  

@600----<4.8"

Card center was with 50gr 26.7 Varget, Noslers,  100 Yards

Card in half was with Remington Powerlok with surplus powder about 26.5,

300yd was 80gr sierras,

600yd was 75amax 24gr varget or 80gr Sierra

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Here is some data from Richard Head.

2 and 300 yd - 77gr. Sierra moly fed or CCI standard primer RP case 24.2 of Varget. This is getting close to max !! but shoots same zero as 69 but bucks the wind better.

600 and out same as above but with the 80 sierra moly and 24.7 to 25.0 set 15 off rifling. Shouldn't reload these case for long range to many times. Maybe two times then use for 2 and 300.

Reloader 15 is very good to just start at 24.0 and work up a load that shoots.