survivalshop Posted January 19, 2012 Report Share Posted January 19, 2012 I got two Tactical Machining uppers in yesterday & campared them to the DSA one I got a couple of weeks ago & can't really tell much difference , except the TM has white numbers on the top rail & the DSA doesn't have them colored & the DSA has a six ( 6) or nine ( 9) depends on how you look at the upper , on the lug for the disassembly pin .The TM looks like it has the lube on the inside of the upper , can't tell if the DSA upper does . They are both nice uppers ,but if I ordered another it would be the TM , because of the whited numbers . Could not find any marks or machine work on them , they look nice .They make a 300 Blackout marked lower , that I want & will get shortly , when I can find time to drive the hour or so down there & may ask for a tour . I mentioned the lower in the 300BLK section . Quote Link to comment Share on other sites More sharing options...
unforgiven Posted January 19, 2012 Report Share Posted January 19, 2012 Nice looks good bro. <munch> Quote Link to comment Share on other sites More sharing options...
survivalshop Posted January 22, 2012 Author Report Share Posted January 22, 2012 I took one of the TM uppers & replaced the A2 on my preban Oly. . That A2 upper was on this 24" barreled 5.56 with one of first FF hands guards that came out of Olympic Arms & it came right off with no problem .Been one there at least twenty years, came right off .I have to find a scope for my new Varmint rifle . This is new territory for me & this rifle ,one of my first builds.Check the markings on that bolt , if you can see them . Quote Link to comment Share on other sites More sharing options...
imschur Posted January 22, 2012 Report Share Posted January 22, 2012 Check the markings on that bolt , if you can see them .You mean the MP? Quote Link to comment Share on other sites More sharing options...
survivalshop Posted January 23, 2012 Author Report Share Posted January 23, 2012 You mean the MP?Yep , first I noticed it . I used M 16 surplus BCG's, on all my builds back then . Quote Link to comment Share on other sites More sharing options...
imschur Posted January 23, 2012 Report Share Posted January 23, 2012 I bought a few barrels and bolts from Rainier where I selected the magnetic particle option. I thought"How will I know?" well low and behold they are stamped as such. Quote Link to comment Share on other sites More sharing options...
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