Originally Posted by
CarlosDJackal
I have over 7,000-rounds through my LWRC 10.5-inch upper. Some of that is suppressed and over 2,000-rounds of that was in two different Carbine Courses.
The only mechanical failures I've had are:
- The buffer spring that came with the upper was faulty (Wolff Plus).
- The extractor started failing to extract.
- One of the Carrier key screws broke.
LWRC sent me a new buffer spring (which I have since relegated as a backup along with the H2 buffer - I am using an H3 buffer with a flatwire CS spring). The extractor resulted in FTEs and was replaced with no further issues.
I did not even know that the screw was busted until I decided to check the screws and the broken one kept spinning and would not tighten. LWRC shipped me a replacement Carrier overnight at no charge and I have not had any issues since.
I am awaiting the arrival of my Select-fire Transferable AR-15 and I am considering buying another LWRC upper to use on it. YMMV.
This parrallels my experience with the 16"--except the extractor hasn't failed yet . I have replaced the buffer spring that came with the rifle and staked the carrier key screws, which were not staked.
There are none so blind as those who will not see.
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