AR10 / LR-308 Milspec Carbine Buffer Tube Kit

In stock

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Don't see the exact configuration you want? No problem, just let us know. Most of the time we can customize with the parts we have just to your liking.


All our uppers have a Lifetime Warranty to the original purchaser. Some conditions apply - click here for details.

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We believe in customer service before and after the sale. We never take days or weeks to respond. Most of time if you email or leave a message, we usually respond the same day or next business day.

Turnaround Time

We usually take only 2-3 business days to build and test your upper before shipping it. We never take weeks to ship your upper. Accessories ship even faster. Check the live status update on the banner at our homepage for current wait times.


We always specify the manufacturer of the major components therefore you know what you are getting. We only use made in America components from quality manufacturers.

Guntec AR-10/ LR-308 Milspec Carbine Buffer Tube Kit. Kit includes  

- 6 position Carbine Milspec Buffer Tube 

- Carbine 308 Gold PVD Finish Buffer Spring

- 3.8oz 308 Gold PVD Finish Carbine Short Buffer

- Latch (end) plate and Castle Nut



Gold PVD Finish Improves Lubricity, Smoother Felt Recoil, Faster Cyclic Rate, Easier Cleaning, Wear Resistant

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