Blitzkrieg Components / KynSHOT 9mm AR-15 Hydraulic Buffer - Standard
The Standard 9mm Hydraulic Buffer model has our normal amount of hydraulic resistance. This is the best choice for short barreled 9mm applications (7.5" barrel or less) but can be used for all PCC barrel lengths. This buffer has the standard amount of hydraulic resistance that we have historically used in our 9mm buffers. This is a great fit for a wide range of PCC guns. Can be used with our PCC buffer weight to add mass and further slow the action. This buffer is not recommended for use with lightened bolts or short stroke systems.
Blitzkrieg Components partnered with KynSHOT to develop a top-of-the-line 9mm specific AR-15 buffer using KynShot's Hydraulic Buffer Technology. The Hydraulic Buffer body uses hydraulic shock absorption to dampen the impact of the bolt at the rear of its travel and also to dampen the forward impact of the Buffer's weight as it chambers the next round. It's weight and length have been optimized for the 9mm application so that it runs reliably, softens recoil, smooths out the action, and stops just behind the bolt catch using any 9mm Parabellum (9x19mm) ammo type. It provides the softest recoil impulse of any 9mm buffer we know of and will allow very fast follow up shots, improved accuracy and less wear on the firearm. Works in PCC builds with 3.5" - 16" barrels, either suppressed or unsuppressed and with all common 9mm loads. Normally the only difference is what buffer spring needs to be used. Our recommended barrel length for selecting this buffer is 7.5" or less. For barrels 8-16" we normally use the RB5015HD buffer, however we do have customers who like the feel of this buffer the best even with the 16" guns. The hydraulic fluid and seals are made to meet mil-spec requirements and have an ambient temperature operating range of -30F to +150F. This buffer has proven itself in the harsh arena of PCC competition and is the choice of many of the top ranked shooters in the world.
The blowback operation of the 9mm AR-15 drives a very heavy bolt much harder than a standard AR-15 BCG and it needs to be dampened as much as possible to optimize the system, reduce wear on the firearm and reduce recoil and sight movement. For this reason, the buffer is a very important component in getting a 9mm AR-15 to run at its full potential. The design is simple, yet very effective and will feel softer and run quieter than any conventional AR buffer. Spring noise is also dramatically reduced using this buffer. The length of our buffer stops the bolt just behind the bolt catch on a 9mm AR-15 without the need for a spacer in a collapsible stock buffer tube. If used in a fixed stock, we do sell a spacer separately for that application.
Spring Selection Guidance:
Buffer Spring selection is very
important to optimal performance and minimal recoil and sight movement.
There are a variety of factors that effect how hard your 9mm AR cycles and which buffer spring will be best. These include barrel length, suppressor use, ammunition energy, bullet weight, bolt weight, and hammer spring weight. We recommend running a pistol caliber AR with the strongest buffer
spring that runs reliably and cycles fully in your weapon. This
sometimes requires a bit of trial and error on the part of the shooter
to find the sweet spot since every build is unique and even guns with the same build specs can
run differently and require a different spring. With this buffer a .308 carbine spring is normally best for 8-16" barrels and a .308 rifle spring can be used if greater spring strength is desired. For barrel lengths of 7.5" or less an extra power .223 carbine spring is typically the best choice starting with the Sprinco Red spring and working down from there. If the Sprinco Red is still too strong for your gun, then the Sprinco Blue or JP .223 Carbine are the next step down in strength, after than is the Sprinco White (standard power) and Sprinco Yellow (reduced power) if you need something lighter in order to cycle correctly.
Using with our PCC buffer Weight:
Our PCC buffer weight can be used with this buffer to add more mass in front of the buffer. This often softens and smooths out the action even further. We have had very good feedback from our customers when they try the weight. It does not make the action feel sluggish at all. There is plenty of power and speed in the action even with the extra weight. It is still very fast.
If your bolt has a weight in it, we recommend keeping the weight in the bolt. Removing the weight to get a lighter bolt is not recommended in blowback guns, even if using light competition loads.
Over the last several years our buffers have been run hard by thousands of shooters in just about every conceivable type of build and in intense PCC competition. We have had great feedback from our customers which has resulted in several rounds of product improvements to achieve maximum effectiveness and service life. Our goal is the most effective buffer and the most durable. The buffers we are now shipping have all the latest improvements.
Length: 3.90" (when compressed)
Weight: 6.0 ounces
Mil-Spec Hydraulic Fluids and Seals - Ambient operating temp certified for -30F - +150F