So, I have a MPA BA chassis and wanted to move to bipod forward of the forearm after seeing MPA's spigot mount that they recently came out with. Only problem is, my chassis is a 1st gen and doesn't have the necessary hole on the front of the forearm to mount their piece. (I called them last Monday and left a message to inquire about the modification to my chassis and about their new vertical grip, but even after leaving a message, they never called me back.)
So, I decided to make my own. I devised a simple, sturdy way of making my own mount that didn't require any mods to my chassis. I took a piece of 1/4" x 1" steel bar flat and made 2 bends to form an offset or dogleg. This mounts with the original M5 x .8 cap screws through the forearm into drilled/tapped holes in the steel and then the original pic rail moves forward and mounts under the steel with 2 more M5 cap screws. The setup is plenty rigid and moves the bipod approx 5.5" forward and 1/2" higher (moving the gun 1/2" lower). I haven't shot with it yet, but it should be steadier since the rear bag and bipod are farther apart. After a coating of flat black paint, I'm pleased with how it turned out.
So, I decided to make my own. I devised a simple, sturdy way of making my own mount that didn't require any mods to my chassis. I took a piece of 1/4" x 1" steel bar flat and made 2 bends to form an offset or dogleg. This mounts with the original M5 x .8 cap screws through the forearm into drilled/tapped holes in the steel and then the original pic rail moves forward and mounts under the steel with 2 more M5 cap screws. The setup is plenty rigid and moves the bipod approx 5.5" forward and 1/2" higher (moving the gun 1/2" lower). I haven't shot with it yet, but it should be steadier since the rear bag and bipod are farther apart. After a coating of flat black paint, I'm pleased with how it turned out.
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