TackDriver284
Handloader
- Feb 13, 2016
- 2,842
- 2,949
This 30 inch Bartlien barrel has gone through its 3rd rechamber, first and second chamber did not go too well when a new gunsmith did my rifle work. Had very heavy bolt lift on the 6 BR,and terrible carbon issues on the Dasher afterwards. He did not set the barrel back, he used a Dasher reamer to ream out the new 6BR chamber. I won't go through with the story, its quite long. anyways I spoke to the gunsmith and he did agree that the Dasherchamber neck is .007" bigger than my loaded round neck and its a lot of clearance, but wanted me to send the rifle back so he can find the solution to the problem, offered to put a new barrel if he could not fix it, but I won't send it back to the same smith , its almost a year and a half and I was not going to waste my time anymore with this guy, I was done with that guy. So I looked around and I knew a fella who does lathe work on rifles and other trades. I sent it to him, took him 4 days since he had some other clients to take care of. He set the barrel back 1.5 inches and chambered into 6 BR using a Lapua reamer with a .272 no turn. My loaded round is a .268, so .004" clearance. Pulled out my 2X fired brass from the prior 6BR chamber, annealed them and sized them to fit my new chamber, bolt closed freely on .004" bump. Will use this bump until all brass are fireformed to the chamber before I will adjust bump back to .002" or which ever number until the bolt closes freely. Now it was time to load and shoot some 105 VLD that I had sitting there for years. I wanted to shoot a few to clean up any tooling marks and smooth it out before finding a tune. Before firing, I inspected the chamber job and it looked real good. 2X fired Lapua brass, .010" off the lands, .002" neck tension and BR 4 primers. I have not used BR4 in ages, always used CCI 450
Loaded with Varget and barrel length is 28.5", wind from 1 o clock about 18-20 mph.
29.1 - 2794, 2786, 2795
29.4 - 2825, 2827, 2831
29.7 - 2854, 2862, 2860
30.0 - 2890, 2881, 2887
Single digits on all loads, all groups on a straight plane which I like. Brass had no carbon on the shoulders unlike the Dasher, and easy extraction. It's not shabby on first trip out, and VLD is somewhat fussy unlike the Hybrids but I'm pleased with high .1-.2 MOA @ 100, should be good for 600 yards on next match in August. I have about 135 bullets left, hopefully for 2 matches before I look for a tune with either Hybrids, Vapor Trails, ELD M 108, or Sierra Matchkings. Cheers, now I'm happy.
Loaded with Varget and barrel length is 28.5", wind from 1 o clock about 18-20 mph.
29.1 - 2794, 2786, 2795
29.4 - 2825, 2827, 2831
29.7 - 2854, 2862, 2860
30.0 - 2890, 2881, 2887
Single digits on all loads, all groups on a straight plane which I like. Brass had no carbon on the shoulders unlike the Dasher, and easy extraction. It's not shabby on first trip out, and VLD is somewhat fussy unlike the Hybrids but I'm pleased with high .1-.2 MOA @ 100, should be good for 600 yards on next match in August. I have about 135 bullets left, hopefully for 2 matches before I look for a tune with either Hybrids, Vapor Trails, ELD M 108, or Sierra Matchkings. Cheers, now I'm happy.
