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Tested it on arrival with guages everything was mil spec, barrel went in tight which is desirable. Did research and found these are produced by aero precision which are also solid. I installed a 14.5 fn chf barrel in this upper with a microbest hard chrome bcg and tested it sub moa under 100yds.
Apparently at optics planet they like to put the photo of the item you are looking for, then send you something different. I was going for this HK look however optics planet sent me the AR15 style one and i ordered 3 times hoping it was a fluke and the same ar style came each time. It works great just not the style i was paying the money for.
Dont waste your time like i just did. I waited 2 weeks for these to come to finish some builds only for them to come and have no hardware!!!!!!!!! So i order some wilson combate hardware, they show up another week later i go to install and crapola, they dont work they wont stay closed. No positive snap. They dont even swing open right. I just chalk them up as a loss and got some milspec ones. I was just trying to save a little more weight but this isnt worth the head ache. Waste of time and money avoid this.
Its a beautiful upper, great lines aesthetically pleasing. However with an FN CHF barrel it slips right on in and even has slight play, i expect a tight fit requiring some anti sieze or heat to get a tight snug fitment. However this isnt it, i dont know if i should even try shimming for go through the hassle of a return and just use aero precisions M4E1 line for less money but way better fit.
Better than aim point for less money, worked great with my NODs in low settings, this has been solid holds zero and delivers! I can’t say enough but you need this optic over aim points every time. I used to get Romeo 5 as a low cost options but the extra $50 is worth it on this platform. Been running this now for 3 months and put my aim point back in its box. 10/10 save the money and get the Romeo 6
What can i say, bcm continues to impress, this is such a smooth trigger breaks like glass, if youre looking for a low cost alternative to a cmc or
Geislle this is a good route. Definitely noticeable upgrade to the mil spec alternative.
By far the easiest and best upper receiver block ive used. Holds my
Upper firmly making barrel changes a breeze. Any upper maintenance is easy as well best tool i have and my goto would recommend! Muzzle devices and tapers are easy as well as gas tube/ block install and maintenance.