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Posted: 10/8/2017 3:19:13 PM EDT
I have a new Sig PM400 and under the forward assist is a raised square with a circle cutout.
What the hell is this for? Thanks! Sig Noob |
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Posted: 10/8/2017 3:23:46 PM EDT
[#1]
QD sling swivel socket.
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Posted: 10/9/2017 9:41:08 AM EDT
[#2]
Or, a single spare round holder.
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Posted: 10/9/2017 9:44:55 AM EDT
[#3]
Quote HistoryQuoted:
QD sling swivel socket. 
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Posted: 10/9/2017 11:56:12 AM EDT
[#4]
Quoted:
I have a new Sig PM400 and under the forward assist is a raised square with a circle cutout. What the hell is this for? Thanks! Sig Noob https://www.google.com/search?q=sig+pm400&safe=off&rlz=1CDGOYI_enUS763US763&hl=en-US&prmd=sivn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwixwNm-3uHWAhXB5yYKHX6BDaMQ_AUIEigC&biw=375&bih=851#imgrc=Ats8QAzJFGcnNM: Other posters are lying to you. The raised square with a circle cutout under the forward assist is clearly the takedown lug 
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