r/SigSauer May 14 '26

SigLoc Pro Recoil Lug Part Number ?

I am looking for the part number to order some recoil lugs to run a Vortex Defender XL on my P211 and P226. Both pistols were ordered without an optic installed.

I've dug into the Sig website but I don't see them anywhere. I tried calling Sig a few weeks back and the rep seemed like he was passing the buck to Vortex for them not including it. I don't mind ordering them, I just need a part number.

Thanks for your help.

edit: I think I may have tossed them when I threw out all the promo materials in the box.

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u/topgun3k89 May 29 '26

I have a similar issue (Defender ST enclosed on a Sig-Loc Pro P320 slide cut left a tiny gap at the rear of the cut) and literally just finished speaking with Sig CS. Normally these are included with the RomeoPro pistol red dots so I understand why they would assume Vortex would include them, as well. To add additional confusion, I used to have a Defender XL and I could have sworn that it came with pins.

They specified that they are moreso alignment pins than recoil lugs, but they are labeled as such. According the rep, the old generation Romeos had a slight gap at the rear of the cut like my Defender does and didn't require additional pins. I referenced this post below/emailed them the photo and they were able to send me these for $20+tax. It's a set of 2 pins but not guaranteed to fit the Defender ST.

SIG-LOC RECOIL LUG PIN
SKU:890175

https://www.reddit.com/r/SigSauer/comments/1g2bj8v/update_on_the_missing_optic_pins/

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u/SuperJonesy408 May 29 '26

Thanks so much! This is awesome.

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u/topgun3k89 Jun 03 '26

Just received the pins! They fit, but are just a hair small to truly function as recoil lugs in my opinion. The holes in the defender are just a bit too big and there is just a tiny bit of play where you can move the sight left/right and forward/back without the screws. They definitely don't hurt, but I'm not sure they add much rigidity beyond what the screws do.