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Posted: 2/11/2023 1:32:32 PM EDT
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We at Dead Air were recently contacted by a shop with a customer that has a SCAR 17 S. Our DA305 SCAR flash hider was not threading down all the way and seating on the muzzle face as designed. We got some dimensions from the shop, and it appears the 17S barrel in question has about .580 of 5/8-24 thread, as opposed to the ~.620 of thread we are accustomed to seeing. If there are any of you out these with a set of calipers and a SCAR 17 (any variant) that has an easily accessible muzzle, would you mind sharing how much thread is on your barrel as measured from the muzzle face to the last thread? I want to make sure that when I change DA305, I cover all the bases. Thanks in advance! SilentMike Dead Air AAC 1998-2018 |
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Battery turned out to be dead in calipers but hopefully the markings should be sufficient. This is the muzzle of a 16” barrel off a fairly early SCAR 17, before they changed to the 7 lug bolt. If I didn’t understand what you are looking for just let me know and I can measure differently. Attached File |
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Thanks Boregonian. Much appreciated! Thanks also for mentioning the vintage of your SCAR. Yours seems to have the longer length of threaded barrel muzzle shank, right in line with what I measured off of a commercial SCAR 17 years ago when I was with AAC. Keep em' coming folks! SilentMike Dead Air AAC 1998-2018 |
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Originally Posted By Grinder: Was the original short thread issue on a Belgian or US made barrel and what length ? Also wondering if it was just a one off factory muzzle "repair" job The shorter thread is actually off a relatively new U.S. produced SCAR 17 S. I'm wondering if the domestically produced guns have the shorter thread length? SilentMike Dead Air AAC 1998-2018 |
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