It's the buffer tube that a rifle stock or pistol brace attaches to. This would be classified as an SBR if it had a butt stock so instead it's been built as a 9mm pistol carbine. I now have a pistol brace installed on it but it was... nekkid 😝 for this photo.
Noob question but what are the stick looking butt stocks for. Been looking at lowers.
It's the buffer tube that a rifle stock or pistol brace attaches to. This would be classified as an SBR if it had a butt stock so instead it's been built as a 9mm pistol carbine. I now have a pistol brace installed on it but it was... nekkid 😝 for this photo.
Thank you for the explanation, that helps :)
.......buffer tube?