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Lima Six Belt fed AR15 Build Thread (Page 92 of 92)
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Originally Posted By Kuraki: Tisha sounds nice on 12.5" https://www.ar15.com/media/mediaFiles/125898/5212-3832268.jpg That's a lot of fun in a small package. (Leaving wives and their commentary out of this.  )
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Don't forget about the Trail of Beers Happy Hour!
My L6 build is fully dialed in. Irons and Aimpoint zero'd for 50/200yards, the 18" Daniel Defense S2W CHF CL barrel shoots great BTW . Build now cycles on semi and super safe with weak Tula ammo on the H3 and Spingco Orange spring without a hiccup. 
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Originally Posted By Seattle206: My L6 build is fully dialed in. Irons and Aimpoint zero'd for 50/200yards, the 18" Daniel Defense S2W CHF CL barrel shoots great BTW . Build now cycles on semi and super safe with weak Tula ammo on the H3 and Spingco Orange spring with a hiccup. https://i.imgur.com/KactDEx.jpeg https://i.imgur.com/gI1SHAK.jpeg Looks great man! |
https://www.limasix.com
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Originally Posted By RRA_223: So I am short-stroking on my DIY build. Probably 60-80 rounds through it with a mix of jams, double feeds, and mostly the bolt just not closing. Mid-length barrel from KAK "Lima 6" barrel, so I realize the gas port is likely undersized - running a can or not made no difference in performance. HOWEVER: I am using the included black 308 spring, a 5.6 oz buffer and the "spring booster" spacer in an A5 tube, per instructions. When troubleshooting - I realized the spacer is preventing complete travel of the bolt rearward (the pin on the bolt doesn't come anywhere close to the rear of the receiver). I removed the spacer and now have full range on the bolt - I need to see if this solves the problem but I'm posting here to see if that's just a quirk, expected or? Anyway, next step will be to verify the port size of my KAK barrel, maybe lighten the buffer weight slightly and see what happens. Just throwing it out there that the spacer seemed to be counter-productive? Following up on this after L6 test fired and had no issues. I used the orange wire spring that Harvey graciously included after looking over the Upper - it works. Same lower, same trigger group, same buffer - it works! I measured both springs on a home-made spring tester. The black 308 spring came in at 12 lbs max compression, which is REALLY close to what I get for most standard AR carbine buffer springs on the same tool, which is 11-12lbs. The orange buffer spring came in at 18lbs. So the extra spring definitely was what I was missing. It's such a huge gap (with the black spring being so close to a standard AR carbine spring), I'm going to go with it was a dud. Anyway, problem solved. Now I will tinker with buffer weight to increase the cycle speed... Slightly. 
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Lima Six Belt fed AR15 Build Thread (Page 92 of 92)
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