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Great upgrade!
Written on Feb 26, 2026
Waited a while for Tandemkross to get these back in stock. Exactly the quality you would expect from TK and super easy to install. Highly recommended upgrade for your MKIV!
Highly Recommended Part
Written on Nov 04, 2025
Not only does this part make it much easier to put your safety on/off, but its a natural place to put your thumb. Pair this TK part with Striplin Customs thumb rest (also available in colors) and you have the perfect grip on your Mark IV �
Guntec USA AR-15 Mil-Spec Buffer Tube Set
Written on Mar 16, 2025
Review for
Guntec USA AR-15 Mil-Spec Buffer Tube Set
Seems to be a pretty decent set. I was just looking to add some color to my 556 build and this matched very well. As I am a newbie, I can't really comment on quality, but it seems to be durable. All the other sites that carried a red buffer tube looked kind of sketchy. I have ordered from Optics Planet many times and how can you beat free shipping? :P
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