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+--- Thread: Ferrobull NTX. 100gr expander (/showthread.php?tid=21660)
Ferrobull NTX. 100gr expander - jmkhenka - 07-16-2020
Ordered a box of 50 of their ferrobull expander https://ferrobull.se/ here in Sweden.
6,5-100-R
Measurements:
Lenght: 27,14mm
Diameter: 6.67mm
Type: Boattail, lenght 1.30mm, Dia A: 6.67mm Dia B: 6.49mm
G1 BC according to manufacurer: 0.261
Photo taken by me, showing seating depth form etc:
https://imgur.com/cJGPVnE
Was out today and ran 10, 5 of each of two powders. N135 and N530.
Rifle Howa Mini 20" varmint barrel. Attached Stalon Victor supressor.
COAL was 57.00mm, it can load longer but it touches the lands at around 58.00mm
27,9-29,5 for N530 @ 0.4 gr increment
1 shot of each just for chrono. Velocity as follow hi to low:
853
830
814
807
794
Photo of group (nice one considering the load range was large):
https://imgur.com/gkdSfji
With N135, 27,8-29,0 gr gave me these velocites:
819
815
813
800
798
Photo of group: https://imgur.com/9yw0OWr
Also bought their lead free (steel core, copper plated) target rounds to. Those are in the other thread.
Ferrobull NTX. 100gr expander - tdbru - 07-16-2020
thanks Jmkhenka,
interesting to see more LFP in the mix. i wonder if these will ever be available over here? anyway, good luck with them!
thanks for the report.
-tdbru