$13.99
198 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The carbine length gas tube is one of the most versatile components in the AR-15 platform, and KAK's version delivers the dependability shooters have come to expect from this company. Designed for barrels in the 14 to 16 inch range, this tube measures approximately 9.75 inches and manages the high-pressure gases that cycle your bolt carrier group. For anyone building a standard M4-style rifle or replacing a worn gas tube, this is the right choice.
When you fire, expanding gases exit the barrel and travel through the gas block positioned near the muzzle. The gas tube channels those gases back into your upper receiver to drive the bolt carrier group, which unlocks and cycles the action. Getting this dimension right matters because too little gas and your rifle won't cycle reliably, while too much gas creates harsh recoil and accelerates wear on critical parts. KAK's carbine length tube is engineered to strike that balance for typical carbine builds.
Constructed from stainless steel with a silver finish, this tube resists corrosion and handles the thermal stress of repeated firing. The material is durable enough for thousands of rounds and the finish will hold up to regular use without degradation. Unlike some competitors, KAK keeps the price accessible while maintaining the quality standards that make their parts worth pairing together in a complete build.
This gas tube does not include a roll pin, so you'll need to source a standard AR gas tube roll pin separately to secure it to your gas block. KAK recommends having a qualified gunsmith handle installation, though many experienced builders tackle this as a straightforward upper parts replacement. The tube has a single larger gas port opening that must align with your gas block opening, and the smaller pin holes run through both sides for secure attachment.
Yes, the carbine length gas tube is designed specifically for barrels in the 14 to 16 inch range, with 16 inches being the most common application. The approximately 9.75 inch tube length provides proper gas delivery to cycle your bolt carrier group reliably with standard 5.56 and .223 cartridges.
No, the roll pin is not included. You'll need to purchase a standard AR gas tube roll pin separately to secure the tube to your gas block. This is a common configuration and any standard AR roll pin will work for installation.
Carbine length tubes measure about 9.75 inches and work best with 14-16 inch barrels. Mid-length tubes are about 11.75 inches long and are designed for 16-18 inch barrels. Mid-length systems provide softer recoil and less wear on internal components, while carbine length is the most common configuration and strikes a good balance for standard builds.
Yes, this is a straightforward replacement component. If you're upgrading an existing rifle, this carbine length tube will work as a direct replacement on any AR-15 with a carbine gas system. Just make sure your barrel length falls in the 14-16 inch range for proper functioning.
| UPC | 811163030526 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AR15-UP-171 |
| Color | Silver |
| Model | |
| Product Type | Gas Tube |
You must be logged in to post a review.
Reviews
There are no reviews yet.