AR Sponsor
Posted: 9/9/2014 4:02:06 PM EDT
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Quoted:
If you decide to build a 300 blackout......I finally have fixed pistons for the Tirant 45 in 5/8 x 24......made for 17-4 PH Stainless......just pull the piston and spring on the Tirant and replace it with the fixed piston. hehe already have 300 blackout upper and 762SDN-6
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AR Sponsor