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Posted: 9/23/2010 6:29:01 AM EDT
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Heres my LM7 with the RazorBack bolt upgrade. It is a night and day difference. I am running the 4 o'clock hammer spring and all fire control parts have been polished.
7" Stubby Chubby barrel TAC 67 can. LM7 Video |
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Here's my vid with my LM7 and new RB bolt as well.
500 round belt w/ zero malfunctions: http://www.youtube.com/watch?v=Yrj1v4ctsY0 |
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My factory Colt had a little 'hammer dip' so I got rid of that and timed the autosear trip. That's it.
I did that before I even tried 1 round out of the new RB bolt. I've heard that people are having success with the new RB with zero tuning and not even bothering to time it either. |
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Quoted: My factory Colt had a little 'hammer dip' so I got rid of that and timed the autosear trip. That's it. I did that before I even tried 1 round out of the new RB bolt. I've heard that people are having success with the new RB with zero tuning and not even bothering to time it either. You mean the Razorback upper or the Razorback bolt in a LM7? |
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Quoted:
Quoted:
My factory Colt had a little 'hammer dip' so I got rid of that and timed the autosear trip. That's it. I did that before I even tried 1 round out of the new RB bolt. I've heard that people are having success with the new RB with zero tuning and not even bothering to time it either. You mean the Razorback upper or the Razorback bolt in a LM7? Razorback bolt in LM7. I belive you can get a full auto bolt for a Razorback you would need to call and confirm with Eric. |
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Quoted: Quoted: Quoted: My factory Colt had a little 'hammer dip' so I got rid of that and timed the autosear trip. That's it. I did that before I even tried 1 round out of the new RB bolt. I've heard that people are having success with the new RB with zero tuning and not even bothering to time it either. You mean the Razorback upper or the Razorback bolt in a LM7? Razorback bolt in LM7. I belive you can get a full auto bolt for a Razorback you would need to call and confirm with Eric. AFAIK, he'll do that when you send him the upper, and M16 lower if that's that you're running, so he can time it properly. Out of the box FA bolts are not for sale, as per my email conversation with him. |
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