Is anyone using ramshot tac in their AR-10? I have some seirra 155's (2156) i would like to try.
thanx
thanx
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Ramshot Tac.
- Thread starter 7.62willdo
- Start date
Re: Ramshot Tac.
I loaded a bunch with 155 scenars..it shot like shit out of every 308 stick.. never saw better than 1MOA..Its not 155 smk but i figure id throw that out there.
I loaded a bunch with 155 scenars..it shot like shit out of every 308 stick.. never saw better than 1MOA..Its not 155 smk but i figure id throw that out there.
Re: Ramshot Tac.
Shot a bunch out of my bolt gun behind 155 Scenars, and they shot very well.
It's a faster powder so, works better with lighter weight bullets in .308. Generally up to 165 gr. but is perfectly useable up to 175 and 180 if you only have that.
Shot a bunch out of my bolt gun behind 155 Scenars, and they shot very well.
It's a faster powder so, works better with lighter weight bullets in .308. Generally up to 165 gr. but is perfectly useable up to 175 and 180 if you only have that.
Re: Ramshot Tac.
I use it in my 18" 308 with OK results. It is the best metering powder I've ever used. Give it a try. I exceeded the max recommended charge by a hair and I got 2950 fps with a 155 palma and no pressure signs. YMMV
I use it in my 18" 308 with OK results. It is the best metering powder I've ever used. Give it a try. I exceeded the max recommended charge by a hair and I got 2950 fps with a 155 palma and no pressure signs. YMMV
Re: Ramshot Tac.
Shot it today: 46grains TAC =2750Fps Avg. over 10 rounds on the chrony.
155SMK (2156)
new winchester brass
Federal 210m
Shot one ragged 1/2" hole at 100 and apple size groups at 300m, thats all i ask of my AR-10! I will be buying 8 or 16 pounds of it.
my math says it should still be 1250fps +- @ 1000yds.
Shot it today: 46grains TAC =2750Fps Avg. over 10 rounds on the chrony.
155SMK (2156)
new winchester brass
Federal 210m
Shot one ragged 1/2" hole at 100 and apple size groups at 300m, thats all i ask of my AR-10! I will be buying 8 or 16 pounds of it.
my math says it should still be 1250fps +- @ 1000yds.
Re: Ramshot Tac.
Good to know. I may have to try that one.
How dirty was your bolt carrier group, and action? The same as other powders? Less or more dirty? JPG
Good to know. I may have to try that one.
How dirty was your bolt carrier group, and action? The same as other powders? Less or more dirty? JPG
Re: Ramshot Tac.
not dirty at all in fact cleaner and very little blow-by on the neck of the brass, way cleaner then re-15
not dirty at all in fact cleaner and very little blow-by on the neck of the brass, way cleaner then re-15
Re: Ramshot Tac.
Tac is a very clean powder. Especially for a ball type. Also the speed at which it runs is good for an AR. With the .308/7.62 in a gas gun it's marginal to get the velocity you want vs. too much pressure but you certainly won't foul up your gun like with other powders (RE-15)
That said I'm going hog wild with 75-77 bullets and 25.5 gr. of RE-15 in my AR-15 (5.56 chamber). It is dirty but it's the only one that gets me 2700 fps with them out of a short barrel. It flat out screams in the bolt gun giving me 3050-3100 (temp varies...haven't chrono'd in the super cold yet.) with that combination. I damped it down to 25 gr. for 2990 so as not to excessively wear the barrel.
Tac is a very clean powder. Especially for a ball type. Also the speed at which it runs is good for an AR. With the .308/7.62 in a gas gun it's marginal to get the velocity you want vs. too much pressure but you certainly won't foul up your gun like with other powders (RE-15)
That said I'm going hog wild with 75-77 bullets and 25.5 gr. of RE-15 in my AR-15 (5.56 chamber). It is dirty but it's the only one that gets me 2700 fps with them out of a short barrel. It flat out screams in the bolt gun giving me 3050-3100 (temp varies...haven't chrono'd in the super cold yet.) with that combination. I damped it down to 25 gr. for 2990 so as not to excessively wear the barrel.
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