JP rifles super bolt

[evileyeswatchin]

Is this worth buying or a gimmick?


Bolt Assembly Only for the JPBC-BA-LWD Bolt Assembly Completion Group for AR-style M15/M16 rifles made by Leitner-Wise specifically for JP from SAE 9310 steel with at least ten times the life expectancy of a mil-spec 8620 bolt.

http://www.jprifles.com/cart_pix/ph/1202.jpg

[Heavy Metal]

Carpenter 158 is Mil-Spec bolt steel.

8620 hasn't been mil-spec for AR bolts since the early 60's.