Kak Industry Llc. K-Spec Ar-15 H1 Buffer Tube Kit W/3.8Oz Buffer BlackKak Industry$72.76
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Kak Industry
The Kak Industry K-Spec AR-15 H2 Buffer Tube Kit gives you a complete recoil management system purpose-built for shooters who want smoother cycling and flatter shooting without over-complicating their rifle. This kit pairs Kak's H2 4.7oz buffer—the middle ground in their K-Spec lineup—with a captured compression system designed to absorb recoil energy and cut muzzle rise. It's the kind of straightforward upgrade that makes a real difference behind the gun, whether you're running a carbine for duty, competition, or general purpose shooting.
What sets the K-Spec system apart is its simplicity: no exotic materials or finicky parts that need replacing after hard use. The captured compression design handles the work, paired with a flatwire spring and mil-spec carbine buffer tube that you can trust to keep running. The whole package is made in the USA and engineered for a lifetime of dependable service. Bolt bounce gets eliminated, recoil smooths out, and your groups stay tighter. The kit even includes an install tool, so you have everything needed to drop it into your lower receiver.
The H2 weight hits a sweet spot for most modern carbines: heavier than an H1 but lighter than an H3, it's the go-to choice for shooters running standard-pressure ammunition who want recoil control without slowing their cycle rate too much. If you've been running factory buffer assemblies and noticing extra muzzle movement or felt recoil, this kit delivers a noticeable upgrade at a fair price.
| Buffer Weight | H2 (4.7 oz) |
| Buffer Type | K-Spec captured compression |
| Spring Type | Flatwire |
| Tube Style | Mil-spec carbine |
| Color | Black |
| Manufacturer | Kak Industry |
| Country of Origin | USA |
| Includes | H2 buffer, spring, carbine tube, install tool |
The letters and weights refer to recoil impulse management. The H2 at 4.7oz is the middle option—lighter than H3 for faster cycling, heavier than H1 for more cushioning. H2 works well with standard-pressure rifle ammunition in most modern carbines.
This kit includes a mil-spec carbine buffer tube, which is the standard tube used on most direct-impingement AR-15 carbines. It's a universal fit for any lower receiver designed to accept a mil-spec carbine buffer assembly.
Yes. The kit includes the H2 buffer, flatwire spring, mil-spec carbine tube, and an install tool—everything required for assembly and installation into your lower receiver.
The captured compression design absorbs recoil energy through the buffer itself, reducing bolt bounce and minimizing muzzle rise. It eliminates the need for additional parts that wear out over time, keeping your system simple and durable.
Kak Industry
The Kak Industry K-Spec AR-15 H2 Buffer Tube Kit gives you a complete recoil management system purpose-built for shooters who want smoother cycling and flatter shooting without over-complicating their rifle. This kit pairs Kak's H2 4.7oz buffer—the middle ground in their K-Spec lineup—with a captured compression system designed to absorb recoil energy and cut muzzle rise. It's the kind of straightforward upgrade that makes a real difference behind the gun, whether you're running a carbine for duty, competition, or general purpose shooting.
What sets the K-Spec system apart is its simplicity: no exotic materials or finicky parts that need replacing after hard use. The captured compression design handles the work, paired with a flatwire spring and mil-spec carbine buffer tube that you can trust to keep running. The whole package is made in the USA and engineered for a lifetime of dependable service. Bolt bounce gets eliminated, recoil smooths out, and your groups stay tighter. The kit even includes an install tool, so you have everything needed to drop it into your lower receiver.
The H2 weight hits a sweet spot for most modern carbines: heavier than an H1 but lighter than an H3, it's the go-to choice for shooters running standard-pressure ammunition who want recoil control without slowing their cycle rate too much. If you've been running factory buffer assemblies and noticing extra muzzle movement or felt recoil, this kit delivers a noticeable upgrade at a fair price.
| Buffer Weight | H2 (4.7 oz) |
| Buffer Type | K-Spec captured compression |
| Spring Type | Flatwire |
| Tube Style | Mil-spec carbine |
| Color | Black |
| Manufacturer | Kak Industry |
| Country of Origin | USA |
| Includes | H2 buffer, spring, carbine tube, install tool |
The letters and weights refer to recoil impulse management. The H2 at 4.7oz is the middle option—lighter than H3 for faster cycling, heavier than H1 for more cushioning. H2 works well with standard-pressure rifle ammunition in most modern carbines.
This kit includes a mil-spec carbine buffer tube, which is the standard tube used on most direct-impingement AR-15 carbines. It's a universal fit for any lower receiver designed to accept a mil-spec carbine buffer assembly.
Yes. The kit includes the H2 buffer, flatwire spring, mil-spec carbine tube, and an install tool—everything required for assembly and installation into your lower receiver.
The captured compression design absorbs recoil energy through the buffer itself, reducing bolt bounce and minimizing muzzle rise. It eliminates the need for additional parts that wear out over time, keeping your system simple and durable.