Kak Industry Llc. Kspec Ar15 A5-Length H3 Buffer Tube Kit W/6.5Oz Buffer BlackKak Industry$94.34
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Kak Industry
The Kak Industry K-Spec AR15 A5-Length H1 Buffer Tube Kit gives you a complete recoil management system in one box. If you're building or upgrading an AR15 and want to smooth out felt recoil without adding complexity or cost, this kit pairs a 4.7oz H1 buffer with KAK's flatwire spring and A5-length tube to handle the job reliably. It's designed around a captured compression system that absorbs energy and helps control muzzle rise—the kind of straightforward engineering that works in the field or at the range without wearing out or failing on you.
This is an American-made kit built to last. The 4.7oz H1 weight sits in the middle of the buffer spectrum, making it a solid choice for most AR15 builds. The A5-length tube opens up compatibility options if you're working with certain upper and lower combinations. Everything you need to install comes in the box, including the buffer tool, so you're not hunting around for additional parts.
Whether you're tuning a hunting rifle, setting up a range gun, or finishing out a build you've been planning, a quality buffer system makes a real difference in how your AR shoots. The K-Spec approach skips the gimmicks and focuses on doing one job well—absorbing and distributing recoil energy so your follow-up shots stay on target and the gun stays comfortable to shoot all day.
| Brand | Kak Industry |
| Product Type | AR15 Buffer Tube Kit |
| Buffer Length/Type | A5-length |
| Buffer Weight | 4.7 oz (H1) |
| Spring Type | Flatwire |
| Color | Black |
| Contents | Buffer, spring, A5 tube, install tool |
| Manufacturing | USA |
The kit comes with the 4.7oz H1 buffer, flatwire spring, A5-length buffer tube, and the installation tool you'll need to get it on your rifle.
This is an A5-length buffer tube system. A5-length tubes have different compatibility than standard mil-spec tubes, so verify your upper and lower receiver are set up for A5-length before ordering. If you're unsure, contact us or check your build specs.
The H1 buffer at 4.7oz is a mid-weight option that works well for most AR15 builds. Heavier buffers slow bolt carrier movement and reduce recoil impulse; lighter ones cycle faster. H1 is a good all-around choice for hunters and range shooters, but your ideal weight depends on your barrel length, gas system, and ammunition.
The K-Spec buffer uses a captured compression design to absorb recoil energy and help flatten muzzle rise. Combined with the flatwire spring, it's engineered to minimize bolt bounce and smooth out the overall recoil impulse without complex parts that wear out.
Kak Industry
The Kak Industry K-Spec AR15 A5-Length H1 Buffer Tube Kit gives you a complete recoil management system in one box. If you're building or upgrading an AR15 and want to smooth out felt recoil without adding complexity or cost, this kit pairs a 4.7oz H1 buffer with KAK's flatwire spring and A5-length tube to handle the job reliably. It's designed around a captured compression system that absorbs energy and helps control muzzle rise—the kind of straightforward engineering that works in the field or at the range without wearing out or failing on you.
This is an American-made kit built to last. The 4.7oz H1 weight sits in the middle of the buffer spectrum, making it a solid choice for most AR15 builds. The A5-length tube opens up compatibility options if you're working with certain upper and lower combinations. Everything you need to install comes in the box, including the buffer tool, so you're not hunting around for additional parts.
Whether you're tuning a hunting rifle, setting up a range gun, or finishing out a build you've been planning, a quality buffer system makes a real difference in how your AR shoots. The K-Spec approach skips the gimmicks and focuses on doing one job well—absorbing and distributing recoil energy so your follow-up shots stay on target and the gun stays comfortable to shoot all day.
| Brand | Kak Industry |
| Product Type | AR15 Buffer Tube Kit |
| Buffer Length/Type | A5-length |
| Buffer Weight | 4.7 oz (H1) |
| Spring Type | Flatwire |
| Color | Black |
| Contents | Buffer, spring, A5 tube, install tool |
| Manufacturing | USA |
The kit comes with the 4.7oz H1 buffer, flatwire spring, A5-length buffer tube, and the installation tool you'll need to get it on your rifle.
This is an A5-length buffer tube system. A5-length tubes have different compatibility than standard mil-spec tubes, so verify your upper and lower receiver are set up for A5-length before ordering. If you're unsure, contact us or check your build specs.
The H1 buffer at 4.7oz is a mid-weight option that works well for most AR15 builds. Heavier buffers slow bolt carrier movement and reduce recoil impulse; lighter ones cycle faster. H1 is a good all-around choice for hunters and range shooters, but your ideal weight depends on your barrel length, gas system, and ammunition.
The K-Spec buffer uses a captured compression design to absorb recoil energy and help flatten muzzle rise. Combined with the flatwire spring, it's engineered to minimize bolt bounce and smooth out the overall recoil impulse without complex parts that wear out.
