I just recently picked up a Ruger M77 Tang Safety Heavy Barrel .220 Swift and was wondering if any body had a pet load or an accurate recipe for this rifle? I'd like to stick with a 50 grain Nosler BT or a 50 grain Hornady VMax. This load would mainly be for coyotes, sage rats and rock chucks. Thanks!
Pet load for a Ruger M77 Tang Safety Heavy Barrel .220 Swift
- Thread starter meanwire
- Start date
- Oct 30, 2004
- 24,184
- 2,823
Try reloder 15. 1 hole shooter in my swift with 50 grain BT.
Cartridge : .220 Swift
Bullet : .224, 50, Nosler BalTip 39522
Cartridge O.A.L. L6: 2.680 inch or 68.07 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Alliant Reloder-15
Predicted data by increasing and decreasing the given charge,
incremented in steps of 3.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-30.0 68 27.30 2806 874 21321 6860 79.1 1.442
-27.0 70 28.47 2922 948 23548 7295 81.5 1.391
-24.0 73 29.64 3039 1025 25979 7725 83.8 1.341
-21.0 76 30.81 3156 1106 28597 8148 86.0 1.294
-18.0 79 31.98 3273 1189 31454 8559 88.1 1.248
-15.0 82 33.15 3391 1277 34588 8955 90.1 1.204
-12.0 85 34.32 3509 1367 38025 9334 91.9 1.157
-09.0 88 35.49 3626 1460 41791 9691 93.5 1.107
-06.0 91 36.66 3744 1556 45919 10025 95.0 1.059
-03.0 94 37.83 3860 1655 50445 10331 96.3 1.015
+00.0 97 39.00 3977 1756 55411 10606 97.4 0.972 ! Near Maximum !
+03.0 99 40.17 4092 1859 60866 10849 98.3 0.932 ! Near Maximum !
+06.0 102 41.34 4206 1964 66866 11056 99.1 0.894 !DANGEROUS LOAD-DO NOT USE!
+09.0 105 42.51 4320 2072 73475 11224 99.6 0.858 !DANGEROUS LOAD-DO NOT USE!
+12.0 108 43.68 4432 2180 80770 11352 99.9 0.823 !DANGEROUS LOAD-DO NOT USE!
+15.0 111 44.85 4542 2291 88841 11436 100.0 0.791 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 97 39.00 4168 1928 65775 10523 99.9 0.900 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 97 39.00 3725 1540 45335 10183 91.0 1.066
Cartridge : .220 Swift
Bullet : .224, 50, Nosler BalTip 39522
Cartridge O.A.L. L6: 2.680 inch or 68.07 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Alliant Reloder-15
Predicted data by increasing and decreasing the given charge,
incremented in steps of 3.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-30.0 68 27.30 2806 874 21321 6860 79.1 1.442
-27.0 70 28.47 2922 948 23548 7295 81.5 1.391
-24.0 73 29.64 3039 1025 25979 7725 83.8 1.341
-21.0 76 30.81 3156 1106 28597 8148 86.0 1.294
-18.0 79 31.98 3273 1189 31454 8559 88.1 1.248
-15.0 82 33.15 3391 1277 34588 8955 90.1 1.204
-12.0 85 34.32 3509 1367 38025 9334 91.9 1.157
-09.0 88 35.49 3626 1460 41791 9691 93.5 1.107
-06.0 91 36.66 3744 1556 45919 10025 95.0 1.059
-03.0 94 37.83 3860 1655 50445 10331 96.3 1.015
+00.0 97 39.00 3977 1756 55411 10606 97.4 0.972 ! Near Maximum !
+03.0 99 40.17 4092 1859 60866 10849 98.3 0.932 ! Near Maximum !
+06.0 102 41.34 4206 1964 66866 11056 99.1 0.894 !DANGEROUS LOAD-DO NOT USE!
+09.0 105 42.51 4320 2072 73475 11224 99.6 0.858 !DANGEROUS LOAD-DO NOT USE!
+12.0 108 43.68 4432 2180 80770 11352 99.9 0.823 !DANGEROUS LOAD-DO NOT USE!
+15.0 111 44.85 4542 2291 88841 11436 100.0 0.791 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 97 39.00 4168 1928 65775 10523 99.9 0.900 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 97 39.00 3725 1540 45335 10183 91.0 1.066
honkeetonkin
Handloader
- Mar 8, 2006
- 279
- 0
I have the same rifle and it shoots 55 bt's great with 35.5 IMR 3031 , made my longest pdoggie/harry popper/biodegradablepopup target with this load a lasered 489 yds :grin:
remingtonman_25_06
Handloader
- Nov 17, 2005
- 2,807
- 402
I used 38g of IMR-4064 w/55g NBT's. Good for 3925fps and 1/2 MOA. Killed a few coyotes out to 500 yards, DRT's with nice 2" exits. IMR-4064 is THE powder for this round. Great accuracy and top velocity in most cases.
Also used some 40g VLC with a stiff charge of H-380, good for 4550fps and 3/4" at 100 yards. That was a good one for rabbits and ground squirrels out to about 300 yards, it was the definition of red mist...
I didn't shoot 50's that much. I did try some 50g vmax/moly but I just didn't tinker with them long enough to find a decent load. I figure for coyotes the 55g is a lot better anyways, and if you want speed then go with the 40g, however its not very good on the dogs.
Got rid of my swift a couple years back, it was a ruger target w/26" heavy barrel and laminated stock. Very accurate rifle's in my experience. I killed quite a few yotes with it and I rarely missed them with the swift. I just didn't like the fact that it was hard on brass and barrel life isn't all that great. As much I like to shoot, it would be a rebarrel every other year.
Well congrats on the rifle and hope it shoots for ya!!
Also used some 40g VLC with a stiff charge of H-380, good for 4550fps and 3/4" at 100 yards. That was a good one for rabbits and ground squirrels out to about 300 yards, it was the definition of red mist...
I didn't shoot 50's that much. I did try some 50g vmax/moly but I just didn't tinker with them long enough to find a decent load. I figure for coyotes the 55g is a lot better anyways, and if you want speed then go with the 40g, however its not very good on the dogs.
Got rid of my swift a couple years back, it was a ruger target w/26" heavy barrel and laminated stock. Very accurate rifle's in my experience. I killed quite a few yotes with it and I rarely missed them with the swift. I just didn't like the fact that it was hard on brass and barrel life isn't all that great. As much I like to shoot, it would be a rebarrel every other year.
Well congrats on the rifle and hope it shoots for ya!!
