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The Ultimate Reloading Manual
Wolfe Publishing Group
  • alliant reloading data
  • reloading brass
  • shotshell reloading
The Ultimate Reloading Manual

7.5x55 Swiss GP31 / 7.5x55mm Swiss GP31 (Ramshot Data Edition 4.5 - 2011)

7.5x55 Swiss GP31 / 7.5x55mm Swiss GP31 (Ramshot Data Edition 4.5 - 2011)
Warning! Notes: barrel: 24"; twist 1-9.5"; primer: FED 210; bullet diameter: .308"; always begin loading at the minimum "start load"; increase in 2% increments towards the maximum load; watch for signs of excessive pressure; never exceed the maximum load
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
150 Hornady Boat Tail Spire Point Ramshot TAC Subscribe 2,620
Remarks: start load; COL (inch): 2.891
150 Hornady Boat Tail Spire Point Ramshot TAC Subscribe 2,800
Remarks: max load; COL (inch): 2.891; 53,100 psi
150 Hornady Boat Tail Spire Point Ramshot Big Game Subscribe 2,640
Remarks: start load; COL (inch): 2.875
150 Hornady Boat Tail Spire Point Ramshot Big Game Subscribe 2,870
Remarks: max load; COL (inch): 2.875; 52,500 psi
180 Hornady Boat Tail Spire Point Ramshot Big Game Subscribe 2,450
Remarks: start load; COL (inch): 2.910
180 Hornady Boat Tail Spire Point Ramshot Big Game Subscribe 2,700
Remarks: max load; COL (inch): 2.910; 54,000 psi
180 Hornady Boat Tail Spire Point Ramshot TAC Subscribe 2,350
Remarks: start load; COL (inch): 2.910
180 Hornady Boat Tail Spire Point Ramshot TAC Subscribe 2,600
Remarks: max load; COL (inch): 2.910; 53,900 psi