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7mm Rem Mag Loads

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22 July 2003, 02:54
rifleman1
7mm Rem Mag Loads
Been working up some loads for a 77 mm Ruger Mk II Stainless (boatpaddle stock)I picked up. Using 70 gr RL22 and 150 gr NBT's getting 3215 fps and nice 3/4" three shot groups. With 175 gr Hornady SP and 64.5 gr of same powder getting 2925 fps and tight 3/4" or smaller groups - all using WLR primer. These are high end loads so don't start here - they are safe in my rifle but may not be in yours - also velocity deviations are very small = 4-20 fps. The thing that is nice about this rifle is I have not had to do a thing to the bedding and each time to the range the impact point stays put.
25 July 2003, 08:43
boilerroom
I have the same rifle/calibre and have not had to do a thing to it for satisfactory accuracy. I used to load 154 hornady's in her for deer size game and managed to get a 3/8" group one day. Mostly just under 1" though. I don't load it for deer sized game anymore since buying my 25/06. It also loves federal premium 175gr TB loads. Sub moa with those also.

Have you had the chance to compare recoil with that rifle to other 7rem mags? I load for three and it by far kicks the hardest. It is a tough rifle though. Mine's taken a pounding and she's none the worse for wear. [Big Grin]
25 July 2003, 17:29
P-17
rifleman, your experience seems to be borne out by Ken Waters. About 5 years ago he wrote an article in "Handloader" Magazine and his conclusion was that the most accurate load he was able to work up in the 7mm Remington Magnum was a 150-grain Ballistic Tip pushed by about 67 grains of IMR 7828 or Reloder 22.
26 July 2003, 00:55
Bob257
I've had great results with 162 Hornady and 66.5 grains of H4831. Shoots sub inch and has a velocity of 3000 fps.

Bob257
28 July 2003, 20:57
BLR7 (Texas Cactus Shooter)
65.0 gr IMR7828
175 Hornady Interlock
CCI250 primer
Win cases
ave vel: 2933 fps
1/2 inch groups (5 rounds at 100yds.)
Browning "A" Bolt composite stalker 26" bbl.
3/4 -1.0" groups at 200 yds.

70.0 gr H-1000
160 Speer BTSP
CCI250 primer
Win cases
Ave vel: 2934 fps
3/8 - 1/2" groups (5 rounds at 100 yds)
3/4" at 200 yds.

154 Hornady Interlock
64.3 gr RL-22
CCI200 primers
REM cases
ave vel: 3000 fps
3/8 - 1/2" groups (5 rounds @100 yds.)
3/4 - 1.10" @ 200 yds.
150 Nosler Bal. Tip
62.5gr IMR4350
CCI250 primers
Win cases
ave vel: 3043 fps
3/4" groups (5 rounds at100yds.)/ 1.0" @ 200 yds.

145 Speer Hot Core "Spitz"
61.0 gr RL-19
CCI250 primer
Win cases
ave vel: 3110 fps
1/2 - 3/4" groups at 100 yds./ 1.25" @ 200 yds

168 gr Sierra HPBT Match
68.0 gr H-1000
Win cases
ave vel: 2889 fps
1/2 -3/4" groups at 100 yds and 200 yds. 1.25" groups at 300 yds. ( Most accurate bullet I've
found capable of 3/8" groups or better if I do
my part.) Too bad it's not recomended for hunting!
The 175 Hornady Interlock with 76.0gr H-870 is my
favorite hunting load for consistent accuracy at
all ranges but the powder is no longer available
so I hear. These were chronographed with a CED Millineum and all results were from bench rest.
These are not particularly hot loads but as always
work up from below! BLR7
29 July 2003, 03:19
rifleman1
About the recoil - when I am at the range I am also usually shooting a 338 WM and a 270. The 7mm sort of just sits in the middle - closer to the 270. I just took the stock to my favorite gunsmith to have him replace that hard rubber butt pad that comes on the boat paddle stock with a Pachmyr Accelerator - will also add 1/2" to the pull length which I like. I specifically looked for a Ruger 7mm in stainless with this stock - it will not break or peel and the stock is not hollow so it won't crack either. Generally I am not a synthetic fan - but I have grown to like the looks of this stock with its inserts and stainless steel sling swivels- the dealer told me that used Rugers with this stock are very much in demand. I want to try the new Barnes Triple Shocks in 140 gr - test reports say they are very accurate and penetrate beyond their weight class.
08 August 2003, 18:26
4bambam
Used this load out of hornady volume 11 book for 31yrs out of 3 different 7mags-139gr Hornady Interlock-with H-4831-69.8grs--14 elk and count less deer, with this load and bullet. [Smile]
09 August 2003, 07:09
HBL
Most accurate load for my rifle was found to be:

62.5 grains IMR 4831, using a nosler 160gr partition.

rifle will shoot 1/2" groups at 100yds with this load. I also had a trigger job synthetic stock, barrel free floated with glass bedded action.