2pointslow Posted August 15, 2012 Report Share Posted August 15, 2012 Does anyone have any experience with yhm lowers? Quote Link to comment Share on other sites More sharing options...
harmonda Posted August 15, 2012 Report Share Posted August 15, 2012 I built mine with a YHM upper and Spike's lower. If the upper is any indication of quality...you can't go wrong with YHM. They are top tier. That comes along with higher price and longer wait times, of course. My upper took about 2 months. A buddy of mine ordered his and it is taking about the same. Quote Link to comment Share on other sites More sharing options...
2pointslow Posted August 15, 2012 Author Report Share Posted August 15, 2012 Well shit now i cant find one. Quote Link to comment Share on other sites More sharing options...
timmy43016 Posted August 15, 2012 Report Share Posted August 15, 2012 I saw your chatbox comment...you cant go wrong with PSA either... is there a particular reason that you want mismatch upper/lower instead of just buying a complete rifle outright? As long as it is not a Colt (which are great rifles) because they cant be mismatched upper/lower, or a Colt if you buy completed. Quote Link to comment Share on other sites More sharing options...
RedRocket1647545505 Posted August 15, 2012 Report Share Posted August 15, 2012 YHM is good, but far from top tier. Quote Link to comment Share on other sites More sharing options...
stangsn95gt Posted August 15, 2012 Report Share Posted August 15, 2012 I wouldn't be afraid to use one. Quote Link to comment Share on other sites More sharing options...
RedRocket1647545505 Posted August 16, 2012 Report Share Posted August 16, 2012 Neither would I. Quote Link to comment Share on other sites More sharing options...
copperhead Posted August 16, 2012 Report Share Posted August 16, 2012 YHM is good, but far from top tier. so what, exactly, makes a company top tier as far as the actual product is concerned? I'm not talking about the customer service or prices or anything like that, just the product itself. Quote Link to comment Share on other sites More sharing options...
1fast5gp Posted August 16, 2012 Report Share Posted August 16, 2012 so what, exactly, makes a company top tier as far as the actual product is concerned? I'm not talking about the customer service or prices or anything like that, just the product itself. What makes a company top Tier is how strict they are accordance with Technical Data Package (TDP). A TDP is basically the full set of manufacturing instructions for the creation of a military firearm, including all the process specifications, performance requirements, and quality assurance steps necessary to produce it. Companys with military contracts are Top Tier because their products have to follow TDP, IE Colt, DD, LMT, etc. The M4 TDP is currently owned by Colt Defense but other companies can use the TDP to produce M4 rifles for the military, but they have to pay a 5% royalty to Colt Defense.. lol Quote Link to comment Share on other sites More sharing options...
harmonda Posted August 16, 2012 Report Share Posted August 16, 2012 That kinda makes sense based on the extra $ for those brands. My YHM upper has functioned flawlessly with a variety of ammo so far. Based on how long it takes for them to turn around orders...I bet they aren't big enough to compete for government work. Quote Link to comment Share on other sites More sharing options...
1fast5gp Posted August 16, 2012 Report Share Posted August 16, 2012 That kinda makes sense based on the extra $ for those brands. My YHM upper has functioned flawlessly with a variety of ammo so far. Based on how long it takes for them to turn around orders...I bet they aren't big enough to compete for government work. YHM is still good stuff. Top Teir ARs cost more money to produce. For example, TDP requires that the barrel be made out of from cold hammer forged 4150 steel with 1:7 twist rate and every barrel has to be MP and HPI tested. To cut costs, company will use 4140 steel, it is cheaper, 1:9 twist rate, (less rifling = less machine work = cheaper) and MP and HPI test 1 out of a batch of barrels. Quote Link to comment Share on other sites More sharing options...
2pointslow Posted August 16, 2012 Author Report Share Posted August 16, 2012 what about double star? Quote Link to comment Share on other sites More sharing options...
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