Products / Piston - Anti-Tilt

 

Anti-Tilt Piston Buffers

This is the original Anti-Tilt buffer, designed to prevent excessive wear to the receiver extension (buffer tube) caused by bolt carrier tilt/cant in the popular piston-driven ARs. The elongated head of the buffer is centered in the bolt carrier by the 'nipple'. This setup prevents contact between the bolt carrier and the buffer tube.

Tested and proven with Adams Arms, POF, Stag Arms, Ruger, CMMG, LWRC, LMT, HK, PWS, Osprey Defense, and others. Please notify me if you have an LMT or ARES Defense upper, their carriers are slightly different and require a custom buffer (same price). Newer PWS .223 systems also require this special buffer.

The buffer is constructed from 303 Stainless Steel for a lifetime of trouble-free performance. There are no moving parts to break, and no messy fluids/powders to leak out. A foolproof design for flawless operation of your weapon.

The head is polished to further reduce the possibility of buffer tube damage. Internal weights are either steel or Tungsten, depending on desired finished weight. Total mass can vary from 4.0 ounces up to 8.5 ounces.

This product is for carbine-length stocks only, a spacer ($15) is required for use with rifle-length stocks. I also offer rifle-length Anti-Tilt buffers, see below.

 

I recommend an H3 (5.5 ounce) buffer for most applications with the following exceptions:

  • If you shoot underpowered/import/surplus ammo an H or H2 might be a better choice.
  • If you are running a suppressor it is a good idea to consider upgrading to the XH (8 ounce) buffer.

 

Please Note: I strongly recommend using Wolff XP carbine buffer springs with these buffers. Some standard OEM and aftermarket springs from other manufacturers will cause malfunctions. 'Flat-Wire' springs are not recommended in any case.

 

H - 4.0 ounces - $90
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H2 - 4.5 ounces - $90
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H3 - 5.5 ounces - $95
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H4 - 6.5 ounces - $110
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XH - 8.5 ounces - $125
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Anti-Tilt Buffer Kit - $125
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This kit includes an empty buffer body and various internal weights to allow 'tuning' the buffer to your specific firearm/ammo. Total weight can be adjusted from 4.0 to 6.0 ounces, or up to 8.5 ounces with the optional Tungsten inserts, sold below.

Tungsten Inserts - Set of Three - $40
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Only available with purchase of an A/T Buffer kit.

 

Wolff XP Carbine Buffer Spring - $15
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HeavyBuffers Carbine Spacer

Carbine Buffer Spacer - $10
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This Delrin spacer allows you to use any carbine buffer in a rifle-length buffer tube. Now you don't have to buy a new buffer If you change your stock type.

 

 

Anti-Tilt Piston Buffers

Also available for AR-15 rifles and for .308 piston guns in rifle and carbine sizes.

The .308 Carbine buffer includes a specially modified spring that is required for proper function.

 

AR15 Rifle A/T Buffer - 12.5 oz. - $135
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Wolff XP Rifle Buffer Spring - $15
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.308 Rifle A/T Buffer - 11.5 oz. - $135
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.308 Rifle Buffer Spring - $15
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.308 Carbine A/T Buffer + Special Spring - 6.5 oz. - $145
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Note: Specifications are subject to change without notice.

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