Posted: 5/4/2010 4:11:11 AM EDT
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I have been shooting for some 30+ years. When I first found the Harris bi-pod years ago, shooting my .223 Ackley from a varmint master bench with a sandbag in the rear and a thick piece of carpet under the bi-pod in the field helped many a critter receive "frequent flier miles."
This combination has produced sub- 1/2" without too much fanfare on my part. Naturally, when I went to the AR-15 about 10 years ago, I used the same setup for field work and load development to see how well the weapon is capable of shooting. Again, favorable results kept the fur flying. Now that I am thundering the OBR, I've noticed a significant difference between using a "sandbag up front" and using a bi-pod up front. POI changes as well, the best groups so far come from the sandbag, but I don't like lugging that thing in the field. What are you fellas using for the OBR? Are you trying anything different other than carpet/padding under the bi-pod to keep the "bounce" consistent shot to shot? It's rock chuck season here in the NW, and they have been calling my mother some awful names... they;re gonna pay! 
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Quoted:
Try an Atlas Bipod if you can find one, they are built to allow the bipod to "preload" as opposed to the Harris which is rigid and wont allow preload. Can you define "preload" for me and describe it's function? I actually am running an Atlas Bipod on my OBR, but I bought it without knowing much about it, and I have never used a bipod before, so I would like to make sure I'm using it properly. Many thanks! |
| Preloading it basically is "stacking dead weight" behind the rifle. If you notice the Atlas will let the rifle move forward and you will get some cant in your bipod if you look from the side. This allows the rifle to recoil straight back and return to its orginal point, making groups tighter and allowing you to spot impacts. |
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Quoted:
Preloading it basically is "stacking dead weight" behind the rifle. If you notice the Atlas will let the rifle move forward and you will get some cant in your bipod if you look from the side. This allows the rifle to recoil straight back and return to its orginal point, making groups tighter and allowing you to spot impacts. Got it, thanks! I had no idea and I'm going to play around with this at the range next time. |
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I ordered a set of these from LaRue for my Harris.
I'll let you know how they work out. I have a good word that they work well with the OBR. 
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