| 3DogMike |
| (.400 member) |
| 21/02/18 04:35 PM |
|
Re: Holland & Holland 500-450 Hammergun
|
1889 would be too early for the full Nitro 75/480 load. Bet the proof marks (if still visible) are originally Black Powder and maybe a NfB or “Light Cordite” reproof done at a later date. As Roscoe says, need to see the barrel flats.