need a good headstart for sps tactical .308 load. hey guys i am running 46gr of Varget, IMR4064 or 2208 australian powder equivelent. Pushing 150gr hpbt matchking. remington case. federal primers. i am looking for a good load for the 20 in bull barrel. im shooting 300yards to 1000 yards. but i want to use 168 amax in my next loads. thanks guys im new to the sport and want to beat my boss.... again. thanks for any advice guys.
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need a good headstart for sps tactical .308 load
- Thread starter killcan
- Start date
Re: need a good headstart for sps tactical .308 load
If you are going to be shooting to 1000 yds you don't want to use the 168 A-max. The 178 A-max, 175 Sierra, or 155 Scenar would be better for what you are trying to do. If the 155 Scenar is available in your locale, that might be your option.
TC
If you are going to be shooting to 1000 yds you don't want to use the 168 A-max. The 178 A-max, 175 Sierra, or 155 Scenar would be better for what you are trying to do. If the 155 Scenar is available in your locale, that might be your option.
TC
Re: need a good headstart for sps tactical .308 lo
Hey Killcan, welcome
I know for a fact you can buy lapua scenar 155's down here in australia.
If i were you, I would try using AR2208 powder. Start off at 44 grains and work your way up in small increments.
Perhaps try 44, 44.5, 45, 45.5, 46, 46.5, 47
47 Gr of AR2208 should be your max load, and will end up being a compressed load.
For obvious safety reason start at 44grains as a minimum and look for pressure signs as you work your way up.
Also, if your going to the effort of using Lapua 155's try some Lapua brass as well... some of the best stuff out there.
Your lookin at roughly $85 for 100 brass lapua .308 cases, and about $55 for 100 projectiles.
Hey Killcan, welcome
I know for a fact you can buy lapua scenar 155's down here in australia.
If i were you, I would try using AR2208 powder. Start off at 44 grains and work your way up in small increments.
Perhaps try 44, 44.5, 45, 45.5, 46, 46.5, 47
47 Gr of AR2208 should be your max load, and will end up being a compressed load.
For obvious safety reason start at 44grains as a minimum and look for pressure signs as you work your way up.
Also, if your going to the effort of using Lapua 155's try some Lapua brass as well... some of the best stuff out there.
Your lookin at roughly $85 for 100 brass lapua .308 cases, and about $55 for 100 projectiles.
Re: need a good headstart for sps tactical .308 lo
hey guys update i just bought some 178gr a-max. so what load do you suggest with the shorter 20 in bull barrel on the sps. thanks for the tips, vman. i have written it down for my next lot.
hey guys update i just bought some 178gr a-max. so what load do you suggest with the shorter 20 in bull barrel on the sps. thanks for the tips, vman. i have written it down for my next lot.
Re: need a good headstart for sps tactical .308 lo
The SPS tac 20inch has a 1 in 12" twist and would not recommend shooting the heavier projectiles out of it. It really needs a 10twist to be effecient enough to stabilize heavier weights. Thats not to say you cant shoot them but youll probably be more happy with a 155 or 168 with that length in and twist barrel. With that said I do own the same rifle and load 168 amaxes exclusively in mine.
The SPS tac 20inch has a 1 in 12" twist and would not recommend shooting the heavier projectiles out of it. It really needs a 10twist to be effecient enough to stabilize heavier weights. Thats not to say you cant shoot them but youll probably be more happy with a 155 or 168 with that length in and twist barrel. With that said I do own the same rifle and load 168 amaxes exclusively in mine.
Re: need a good headstart for sps tactical .308 lo
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: bdh308</div><div class="ubbcode-body">The SPS tac 20inch has a 1 in 12" twist and would not recommend shooting the heavier projectiles out of it. It really needs a 10twist to be effecient enough to stabilize heavier weights. Thats not to say you cant shoot them but youll probably be more happy with a 155 or 168 with that length in and twist barrel. With that said I do own the same rifle and load 168 amaxes exclusively in mine. </div></div>
168s are awesome. 175smks work for me. I have the sps-v so not sure if the extra 6 inches is whats helping or not.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: bdh308</div><div class="ubbcode-body">The SPS tac 20inch has a 1 in 12" twist and would not recommend shooting the heavier projectiles out of it. It really needs a 10twist to be effecient enough to stabilize heavier weights. Thats not to say you cant shoot them but youll probably be more happy with a 155 or 168 with that length in and twist barrel. With that said I do own the same rifle and load 168 amaxes exclusively in mine. </div></div>
168s are awesome. 175smks work for me. I have the sps-v so not sure if the extra 6 inches is whats helping or not.
Re: need a good headstart for sps tactical .308 lo
I have an LTR that wont shoot the 168 or higher for nothing,but it will shoot one hole with 43g varget and 150 sst
I have an LTR that wont shoot the 168 or higher for nothing,but it will shoot one hole with 43g varget and 150 sst
Re: need a good headstart for sps tactical .308 lo
A 1/12" twist is sufficient to easily stabilize a 178gr A-max. A 175-178 is not a heavy bullet in 30 cal. If the load doesn't shoot well, the cause is not the twist rate.
TC
A 1/12" twist is sufficient to easily stabilize a 178gr A-max. A 175-178 is not a heavy bullet in 30 cal. If the load doesn't shoot well, the cause is not the twist rate.
TC
Re: need a good headstart for sps tactical .308 lo
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Top Cat</div><div class="ubbcode-body">A 1/12" twist is sufficient to easily stabilize a 178gr A-max. A 175-178 is not a heavy bullet in 30 cal. If the load doesn't shoot well, the cause is not the twist rate.
TC </div></div>
Yes and no. If the barrel is at least 24" so it will make 2 complete revolutions the 12twist will work. For a 20" barrel it is ideal to have a 10twist so the projectile can make at least 2 revolutions stabilizing the heavier weight bullets. Like I said you can shoot the heavier weights but its not recommended. In shorter barrels it takes a little more speed to stabilize a heavier projectile for the performance to be maximized.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Top Cat</div><div class="ubbcode-body">A 1/12" twist is sufficient to easily stabilize a 178gr A-max. A 175-178 is not a heavy bullet in 30 cal. If the load doesn't shoot well, the cause is not the twist rate.
TC </div></div>
Yes and no. If the barrel is at least 24" so it will make 2 complete revolutions the 12twist will work. For a 20" barrel it is ideal to have a 10twist so the projectile can make at least 2 revolutions stabilizing the heavier weight bullets. Like I said you can shoot the heavier weights but its not recommended. In shorter barrels it takes a little more speed to stabilize a heavier projectile for the performance to be maximized.
Re: need a good headstart for sps tactical .308 load
I use 42gr of 4064 in nosler case sierra168's fed 210m primers and average 2525fps (chrono'd with rifle/ammo at a temp of 32deg F). from a GAP crusader with 20" (ammo .010 off) bartlien barrel 1x11twst. according to my sierra software that velocity should get you to 1000 (but thats the software)
I use 42gr of 4064 in nosler case sierra168's fed 210m primers and average 2525fps (chrono'd with rifle/ammo at a temp of 32deg F). from a GAP crusader with 20" (ammo .010 off) bartlien barrel 1x11twst. according to my sierra software that velocity should get you to 1000 (but thats the software)
