Product Description
The 3.5 is a direct, drop-in replacement for your traditional carbine buffer, buffer spring, and receiver extension, extending just 3.5 inches from the rear of your receiver. No modifications required. This specific model is only compatible with carriers that use a non-integrated bolt. Compatible calibers include 5.56x45mm, .300BLK, and 7.62x39mm. CMMG Banshee 9mm radial delayed blowback BCGs are also compatible with this model. An M4/M16 bolt carrier is recommended for reliable function (lightweight carriers may lead to malfunctions).
The 3.5 (KTR35N) includes a tube, dual-spring recoil assembly, and end cap. You will need your own bolt carrier group, castle nut, and receiver end plate to complete installation.
Tube Diameter: 1.3"
Materials: 7075T6 Aluminum, Stainless Steel, Alloy Steel
Finish: Type 3 Hard Coat Black Anodize, Black Oxide
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So far so good
I got this product because I wanted a Micro AR that is chambered in 7.62×39 ! My barrel is 4.5 inches and I did not want to put a regular buffer tube on the back of it because it wouldn't make it small as I want it to be. I haven't shot it since I installed the Buffer Tube System but I plan on going to the gun range ASAP to see how it holds up !!!
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Kentri Short 3.5" Buffer kit
Love it! Great for a shorty build. I got it in 3 days Thank you!
