What is the difference in the barrels on these PSA uppers?

What is the difference in the barrels on these PSA uppers?

Strikefirst [Member]

3/3/2012 3:34:39 AM

http://palmettostatearmory.com/index.php/ar-15-05/complete-uppers/palmetto-state-armory-16-mid-length-mp-upper.html

http://palmettostatearmory.com/index.php/ar-15-05/complete-uppers/palmetto-state-armory-16-mid-length-mp-upper-2.html

Thanks!

urbanredneck [Member]

3/3/2012 7:41:44 AM

One is HP tested and the other is lead lapped.

LeonC [Team Member]

3/3/2012 10:57:24 AM

They're identical, one is in-stock.