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Kak Industry
The KAK Industry AR-15 A5-length H1 buffer is a heavy-duty hydraulic dampener engineered for rifles running A5-compatible buffer tubes and rifle-length springs. At 4.64 ounces, this H1-weight buffer is heavier than standard carbine buffers, designed to slow bolt carrier velocity on piston guns, short-stroke systems, or high-pressure loads where softer recoil impulse improves control and reduces wear. If you're tuning a rifle that cycles hard or runs suppressed, an H1 buffer is a proven way to smooth things out without sacrificing reliability.
Built from 7075 aluminum and hard coat anodized, KAK's buffer is made in the USA and built to last. The A5 platform itself has become popular in modern AR builds—it offers more stroke length than carbine tubes, which can improve dwell time and cycle rate stability, especially in short-barrel or piston-driven setups. This is the kind of part that doesn't make headlines but absolutely matters when you're dialing in a rifle that needs to run right.
A5 buffers are not interchangeable with standard carbine or rifle-length tubes, so verify your tube type before ordering. Pair this with the correct A5-length rifle buffer spring for the complete setup. If you're building or upgrading an A5-platform AR and want a proven, domestically made buffer that handles real work, this is solid gear.
| Weight | 4.64 oz |
| Material | 7075 Aluminum |
| Finish | Hard Coat Anodized Black |
| Compatibility | A5-length buffer tubes and rifle-length AR-15 buffer springs |
| Origin | USA Made |
A5 buffers are part of the A5 platform—they work exclusively with A5-length buffer tubes and rifle-length springs. The A5 system offers a longer stroke than standard carbine tubes, which can improve cycling stability and dwell time, particularly in short-barrel, piston-driven, or other high-recoil configurations. They are not compatible with carbine or standard rifle tubes.
H1 buffers are heavier and provide more recoil dampening, making them ideal for rifles with harder-cycling actions—piston guns, short-stroke systems, or guns running suppressors. If your rifle cycles smoothly with standard weight, you may not need it. Consult your rifle's manual or builder recommendations to confirm the right buffer weight for your setup.
This buffer requires an A5-length buffer tube and a rifle-length AR-15 buffer spring. Carbine or standard rifle tubes and springs will not work with A5 components. Ensure your rifle or build is A5-compatible before ordering.
Yes, KAK Industry manufactures this buffer 100% in the United States from 7075 aluminum with hard coat anodizing for durability and corrosion resistance.
Kak Industry
The KAK Industry AR-15 A5-length H1 buffer is a heavy-duty hydraulic dampener engineered for rifles running A5-compatible buffer tubes and rifle-length springs. At 4.64 ounces, this H1-weight buffer is heavier than standard carbine buffers, designed to slow bolt carrier velocity on piston guns, short-stroke systems, or high-pressure loads where softer recoil impulse improves control and reduces wear. If you're tuning a rifle that cycles hard or runs suppressed, an H1 buffer is a proven way to smooth things out without sacrificing reliability.
Built from 7075 aluminum and hard coat anodized, KAK's buffer is made in the USA and built to last. The A5 platform itself has become popular in modern AR builds—it offers more stroke length than carbine tubes, which can improve dwell time and cycle rate stability, especially in short-barrel or piston-driven setups. This is the kind of part that doesn't make headlines but absolutely matters when you're dialing in a rifle that needs to run right.
A5 buffers are not interchangeable with standard carbine or rifle-length tubes, so verify your tube type before ordering. Pair this with the correct A5-length rifle buffer spring for the complete setup. If you're building or upgrading an A5-platform AR and want a proven, domestically made buffer that handles real work, this is solid gear.
| Weight | 4.64 oz |
| Material | 7075 Aluminum |
| Finish | Hard Coat Anodized Black |
| Compatibility | A5-length buffer tubes and rifle-length AR-15 buffer springs |
| Origin | USA Made |
A5 buffers are part of the A5 platform—they work exclusively with A5-length buffer tubes and rifle-length springs. The A5 system offers a longer stroke than standard carbine tubes, which can improve cycling stability and dwell time, particularly in short-barrel, piston-driven, or other high-recoil configurations. They are not compatible with carbine or standard rifle tubes.
H1 buffers are heavier and provide more recoil dampening, making them ideal for rifles with harder-cycling actions—piston guns, short-stroke systems, or guns running suppressors. If your rifle cycles smoothly with standard weight, you may not need it. Consult your rifle's manual or builder recommendations to confirm the right buffer weight for your setup.
This buffer requires an A5-length buffer tube and a rifle-length AR-15 buffer spring. Carbine or standard rifle tubes and springs will not work with A5 components. Ensure your rifle or build is A5-compatible before ordering.
Yes, KAK Industry manufactures this buffer 100% in the United States from 7075 aluminum with hard coat anodizing for durability and corrosion resistance.
