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Posted: 11/3/2006 8:25:15 AM EDT
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How is it that “manufacturers” like Rock River and Bushmaster can use parts (specifically lower receivers) made by other companies such as CMT, LAR or Mega, and not have done any manufacturing? I remember the 80/20 rule, does that apply to the larger manufacturers as well? If so, what exactly do they have to do to complete the lower; finishing, machining, etc…? Thanks 
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Well more research is needed. Bushy for example could very well have to do the milling of the forged part to "finish" it. Then off off to have it anodized. If the 2nd poster is certain about Bushy & Rock River getting the lowers 100% complete with a Snake logo on the side, they get away with it becuase they pay CMT or whoever lots of money. :D Colt, FN, LMT, and CMT all actually MAKE their lowers. Small-time outfits also produce in house a full tilt lower, but they can becuase they are small time. Don't throw anything at me but LMT is small-time in the grand scheme of things. I know, they're my client! 
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No research needed. Thats why Armscorp can make the Fulton M14S receiver. Make a request for a variance from ATF, submit a sample with the clients markings, and once approved machine away. The maker has to keep track of the production just like with his regular product, and the receivers are logged in and out in the bound book like normal. Most contract machine houses with a manufacturing license will be MORE than happy to accomodate contract production as it keeps the CNC's busy. Be prepared to have a fairly large min order, or you will be priced out of the competition. Armscorp tried to make their own AC-15 receivers, but it turned out they were pricier than subbing out the work to some of the larger AR shops, so the project died. I have one, and its nice. The perks of working for Armscorp for a coupla years... Mark |
The AC-15 receivers are nice for one reason only. Other than that the one I got has a badly broached mag well. Wonder who did that for them? Finish seems lacking also. I wonder what grade and temper the receiver is also. |
| They were made by Armscorp from Cardinal Brass and Aluminum forgings. The mag area was not broached, hence the problems, they didnt invest in the needed broach equipment and machined the actual mag well from the top and bottom of the forgings. The interior corners were not properly squared on a bunch of them, some better than others, and 30 rd mags may not insert easily. Had to pick through a bunch to find one that was in spec, and they dropped the project shortly afterwards. |
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