Originally Posted by
Duffy
Thank you guys
26 Inf, what are your thoughts on the ABC/R v2?
I like the ABC/R v2. I'm a lefty so I use my trigger finger to let the bolt go home. I have fairly large hands. I can easily reach either the Mari-Time (which broke) or the ABC/R without shifting anything. The stock bolt catch is also reachable, but I have to shift my grip a little. Amazing what a little extra pad does to ease the process.
My recollection of the Mari-Time catch on this rifle is that it felt harder to press to let the bolt go forward than with the ABC/R v2 on the same rifle. I still have Mari-Time catches on all my rifles with KAC ambi mag releases (more on this later) and testing those rifles I noticed the same thing IF my finger was on the extended rearward portion of the Mari-Time. With fingers on the center of the pad, release pressure was essentially the same. I think it is a leverage thing.
In comparing the Mari-Time catch to the ABC/R v2 mounted onto rifles, the ABC/R v2 pad appearer to be 'taller' than the Mari-Time pad, and by my measurements it was, .72 from the bolt catch pin to the top, compared to .64 for the Mari-Time.
The ABC/R v2 pad extends .2 rearward from the catch shaft, while the Mari-Time extends .664. This is obviously a substantial difference. As I noted above, the additional length of the Mari-Time catch, plus the fact that the end portion of the Mari-Time's extended pad is approximately .21 lower than the highest portion of the pad, makes the Mari-Time harder to depress and release the bolt with less than optimal finger placement.
About the KAC ambi mag release: I like them. One of the reasons I went with the Mari-Time's over the ABC/R's was that the KAC doesn't work with the ABC/R. Another reason, quite frankly was the cost, $29.00 versus $42.00. At the time I wasn't concerned about the reliability of the Mari-Time, now, however, I see the utility in billet machined versus cast.
As for the KAC ambi mag release, I'm going to stay with the ones I have and probably use the Seekins enhanced bolt catches and see if 'manufactured using metal injected molding (MIM) process allowing the selection of a proprietary material that is considerably stronger than our original billet model or a factory Mil-Spec Bolt catch' is actually true. Any new builds for me will have the ABC/R v2.
Last edited by 26 Inf; 04-22-19 at 18:38.
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