Kak Industry197557330
Kak Industry Llc. K-Spec Ar-15 H1 Buffer/Spring Kit 3.8Oz Olive Drab Green$39.51
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Availability: In Stock
Current Stock: Out of stock
The Kak Industry K-Spec AR-15 H1 buffer tube kit pairs a 3.8 oz buffer with a complete recoil management system designed to smooth out the impulse and reduce muzzle rise on your rifle. This is a ready-to-install package that handles the three core components most shooters upgrade first: the buffer itself, the spring, and the tube. If you've felt excessive recoil or bolt bounce on a stock setup—or just want a tuned feel that's easier to control on follow-up shots—a dedicated buffer kit is one of the highest-ROI upgrades you can make.
Kak Industry engineered the K-SPEC buffer around a captured compression system that absorbs recoil energy without relying on wear-prone internal parts. The flatwire spring included in this kit works in concert with the H1 buffer weight to optimize the bolt cycling action. All of this is mounted in a carbine-length buffer tube that meets mil-spec standards, so it'll play nice with any standard AR lower receiver and stock combination you're running. The kit also includes the installation tool, so you're not hunting for a wrench or punches.
This is American-made equipment built for durability. The captured design means fewer moving pieces and less to fail over thousands of rounds. Whether you're tuning a 5.56 rifle for precision shooting, taming a heavy hitter, or just building out your first AR, a quality buffer kit removes one of the rougher edges of the platform and makes shooting faster and more comfortable. The H1 weight strikes a balance for general-purpose use—mild enough for standard loads but substantial enough to manage recoil well across the board.
| Buffer Weight | 3.8 oz (H1) |
| Buffer Type | K-SPEC captured compression |
| Spring Type | Flatwire |
| Buffer Tube | Carbine length, mil-spec |
| Finish | Black |
| Country of Origin | USA |
| Kit Includes | H1 buffer, flatwire spring, carbine buffer tube, installation tool |
Yes. This kit uses a mil-spec carbine-length buffer tube, which fits any standard AR-15 lower receiver and works with virtually all AR stocks and braces designed for carbine tubes.
Buffer weight affects how fast the bolt cycles and how much recoil you feel. The H1 (3.8 oz) is a mid-range weight that works well for general shooting with most common AR loads. If you're running lighter loads or a very fast-shooting setup, you might consider a heavier buffer; for heavy magnums or slow-cycling builds, lighter weights may be better. This kit gives you a proven starting point.
The kit includes the 3.8 oz H1 buffer, a flatwire spring, the carbine-length buffer tube, and an installation tool—everything you need to assemble and install the system on your lower receiver.
The kit includes an installation tool for assembly. You'll need a standard AR armorer's wrench or similar tool to attach the buffer tube to your lower receiver if you don't already have one.
SKU: 194196807 • Weight: 0.73oz
Availability: In Stock
Current Stock: Out of stock
The Kak Industry K-Spec AR-15 H1 buffer tube kit pairs a 3.8 oz buffer with a complete recoil management system designed to smooth out the impulse and reduce muzzle rise on your rifle. This is a ready-to-install package that handles the three core components most shooters upgrade first: the buffer itself, the spring, and the tube. If you've felt excessive recoil or bolt bounce on a stock setup—or just want a tuned feel that's easier to control on follow-up shots—a dedicated buffer kit is one of the highest-ROI upgrades you can make.
Kak Industry engineered the K-SPEC buffer around a captured compression system that absorbs recoil energy without relying on wear-prone internal parts. The flatwire spring included in this kit works in concert with the H1 buffer weight to optimize the bolt cycling action. All of this is mounted in a carbine-length buffer tube that meets mil-spec standards, so it'll play nice with any standard AR lower receiver and stock combination you're running. The kit also includes the installation tool, so you're not hunting for a wrench or punches.
This is American-made equipment built for durability. The captured design means fewer moving pieces and less to fail over thousands of rounds. Whether you're tuning a 5.56 rifle for precision shooting, taming a heavy hitter, or just building out your first AR, a quality buffer kit removes one of the rougher edges of the platform and makes shooting faster and more comfortable. The H1 weight strikes a balance for general-purpose use—mild enough for standard loads but substantial enough to manage recoil well across the board.
| Buffer Weight | 3.8 oz (H1) |
| Buffer Type | K-SPEC captured compression |
| Spring Type | Flatwire |
| Buffer Tube | Carbine length, mil-spec |
| Finish | Black |
| Country of Origin | USA |
| Kit Includes | H1 buffer, flatwire spring, carbine buffer tube, installation tool |
Yes. This kit uses a mil-spec carbine-length buffer tube, which fits any standard AR-15 lower receiver and works with virtually all AR stocks and braces designed for carbine tubes.
Buffer weight affects how fast the bolt cycles and how much recoil you feel. The H1 (3.8 oz) is a mid-range weight that works well for general shooting with most common AR loads. If you're running lighter loads or a very fast-shooting setup, you might consider a heavier buffer; for heavy magnums or slow-cycling builds, lighter weights may be better. This kit gives you a proven starting point.
The kit includes the 3.8 oz H1 buffer, a flatwire spring, the carbine-length buffer tube, and an installation tool—everything you need to assemble and install the system on your lower receiver.
The kit includes an installation tool for assembly. You'll need a standard AR armorer's wrench or similar tool to attach the buffer tube to your lower receiver if you don't already have one.
SKU: 194196807 • Weight: 0.73oz