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Bought this new in April 2017 from deltateam tactical (it's the: Davidson Defense "Ultra Match Deluxe" AR-15 M4 3.0 lb) for a milled lower. Well, after many trips to the range, and finally contacting 5D tactical, seems this drop in does not want to cycle properly due to wall thickness of a milled lower (I confirmed this with an Anderson lower I have, dropped it in and fired smooth and without issue). I went back to 2-stage setups, so no use for it.
Few nicks on it, but beyond that works great.
**SOLD**
Few nicks on it, but beyond that works great.
**SOLD**
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