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I picked up a spare diopter upper a few weeks ago and ordered a steel lower and M4 adapter for it. I put a spare Shockwave blade on a KAK tube on it for now. Last year, I bought a Sig SRD-556 suppressor (direct thread) for my 553 SBR and have been meaning to get around to taking the 3-prong flash hider off....honestly, I've been a bit scared to after having issues on my old 551-A1. SO....I figured the new upper would be the guinea pig since there's no tax stamp on it (in case things went horribly wrong). Using a butane torch and monitoring temps with a laser thermometer, I saw the loctite flash over right around 500F. I stripped the upper down and put it in a vise, using some strips from an old leather belt right on barrel flats. A firm *snap* with a wrench on the flats of the flash hider and she came loose. Some pics with the SBR and with the can mounted. Both have the 4-position gas regulator on them so hopefully, it'll work out nicely. I'm guessing the 0.9 setting is for suppressed fire since the stock regulator has the same 1.2/1.3 settings. On to some pics...   | ||
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Get on the fifty! |
Looks great. Thats interesting yours had any sort of thread locker on it, mine was just torqued on. Let us know how the Sig suppressor performs! The .9 setting is definitely the one you want. I went with the Griffin Recce 5 on mine using their 3 prong.   "Pickin' stones and pullin' teats is a hard way to make a living. But, sure as God's got sandals, it beats fightin' dudes with treasure trails." "We've been tricked, we've been backstabbed, and we've been quite possibly, bamboozled." | |||
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| An investment in knowledge pays the best interest |
Wow - looks great Dan! | |||
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Now Serving 7.62 |
Nice | |||
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| Member |
Beautiful rifles, everyone! | |||
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| Member |
Beautiful rifles all around!This message has been edited. Last edited by: JoshNC, --------------------------------------------- "AND YEA THOUGH THE HINDUS SPEAK OF KARMA, I IMPLORE YOU...GIVE HER A BREAK, LORD". - Clark W. Griswald | |||
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Certified Plane Pusher |
Sure are purdy rifles. Situation awareness is defined as a continuous extraction of environmental information, integration of this information with previous knowledge to form a coherent mental picture in directing further perception and anticipating future events. Simply put, situational awareness mean knowing what is going on around you. | |||
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| certified biohazard |
just got my stamp today for my 553, any suggestions on best spot for engraving?? thanks "All that is necessary for the triumph of evil is for good men to do nothing" Edmund Burke | |||
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| Member |
Which model did you get? | |||
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| certified biohazard |
553p mine is a few serial#'s down from yours on the bottom "All that is necessary for the triumph of evil is for good men to do nothing" Edmund Burke | |||
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| Member |
yeah, so Diopter? I think I'm going to put mine on the top strap or even on the leading edge of the rear sight mount if we can make it work | |||
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