The velocity is low as I only have a 16 inch barrel.
My Varget load is 300 fps slower in the LMT, so losing approx. 30 FPS per inch less of barrel
Replicating GGG imperial
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Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
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toffe wrapper
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toffe wrapper
- Posts: 580
- Joined: Thu Mar 08, 2012 8:46 pm
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Re: Replicating GGG imperial
Hi
Thought I would publish the initial result.
45.5 grains of RS52,Murum large rifle primer, 2156 SMK, GGG once fired case OAL 2.82 with crimp.
GGG Imperial
Series 13 Shots: 5
Min 2598 Max 2647
Avg 2622 S-D 18.6
ES 49
Series Shot Speed
13 1 2647 ft/s
13 2 2627 ft/s
13 3 2598 ft/s
13 4 2611 ft/s
13 5 2629 ft/s
45.5 RS 52
Series 17 Shots: 5
Min 2603 Max 2649
Avg 2626 S-D 17.4
ES 46
Series Shot Speed
17 1 2623 ft/s
17 2 2603 ft/s
17 3 2621 ft/s
17 4 2637 ft/s
17 5 2649 ft/s
Thought I would publish the initial result.
45.5 grains of RS52,Murum large rifle primer, 2156 SMK, GGG once fired case OAL 2.82 with crimp.
GGG Imperial
Series 13 Shots: 5
Min 2598 Max 2647
Avg 2622 S-D 18.6
ES 49
Series Shot Speed
13 1 2647 ft/s
13 2 2627 ft/s
13 3 2598 ft/s
13 4 2611 ft/s
13 5 2629 ft/s
45.5 RS 52
Series 17 Shots: 5
Min 2603 Max 2649
Avg 2626 S-D 17.4
ES 46
Series Shot Speed
17 1 2623 ft/s
17 2 2603 ft/s
17 3 2621 ft/s
17 4 2637 ft/s
17 5 2649 ft/s
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