Vk slugs vs nelsen slugs out of slugs liner .25

I think you mean VK and NSA slugs? I have shot them both from my 700mm .25 slug barrel/liner. The NSA slugs are slightly more consistent in weight so should be slightly more accurate but I have not proven that as both have shot many sub MOA groups at 740fps and again at over 900fps and 100 yards. Then of course I sorted them by weight so that took away any NSA advantage. It took me hundreds of shots to get them dialed in but now they shoot mostly sub MOA and MOA groups with a slight breeze or no wind at all. I have read that the VK's do more damage probly cuz of the larger HP cavity but I can not as yet prove this. Have only shot the VK 34gr HP slugs, weighed and sorted, they are comparable to the NSA 36gr for accuracy. The NSA 36gr seem to shoot slightly better than the 33.5. 



Three three shot NSA groups and one sighter with 36gr slugs not much wind. Shot three shots but could not see them from where I was so I tweaked the elevation on my scope and shot three more. ;^) Clover leaf on the bottom group.



Three shot VK group next to no wind.

These are some of the best groups but several others were not far behind them.

Prepare to spend lots of money on slugs just tuning them properly. They are not plug and play. Both are great.

Prepare to spend lots of money on slugs just tuning them properly. They are not plug and play. Both are great.

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That, you need to test them and see what fits better for your gun and tune

I second that. You just don’t buy a box and go out shooting... accurately. There’s a lot of tuning involved.