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Odin Works AR15 Rifle-Length Adjustable Buffer System

UPC: 850048530607

$89.30

20 in stock

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Description

Rifle-length AR-15s are already known for smooth shooting, but if you want to dial in the cycling speed and felt recoil to match your exact setup, the Odin Works adjustable buffer gives you that control. This aluminum-bodied buffer lets you swap in different weight combinations to find the sweet spot for your barrel length, gas system type, and whether you're running suppressed or unsuppressed.

The buffer comes loaded with a variety of weights to experiment with: 5.5 ounces of aluminum, 3 ounces of stainless steel, and 2 ounces of tungsten. That flexibility means you can start light and add mass, or start heavy and strip it down until you hit minimum reliable cycling. The total weight range spans from 3.17 to 7.05 ounces, which covers everything from rifle setups that need to stay relatively light to heavier configurations that demand extra mass to slow the bolt carrier and reduce wear on your receiver.

Adjustable Weight System for Different Ammunition

Buffer weight directly impacts how your rifle handles different loads. If you shoot both standard pressure ammo and hotter rounds, or if you switch between suppressed and unsuppressed, this buffer lets you adapt without buying multiple fixed buffers. The included weights are color-coded and labeled so you know what you're pulling out of the bag, and swapping them takes just a couple minutes.

Why Rifle-Length Makes a Difference

This buffer is specifically designed for rifle-length tubes, not carbine. That matters because rifle-length systems already have a longer dwell time, which means the port pressure is lower when the bolt carrier group catches the buffer. You can run lighter weights in rifle-length than you'd need in shorter systems and still have plenty of control. If you're building or tuning a 20-inch or longer AR, this buffer lets you take advantage of that inherent smoothness.

Key Specifications

  • Manufacturer: Odin Works
  • Model Number: OSABSAR15RIFLE
  • UPC Code: 850048530607
  • Buffer Type: Rifle-Length Adjustable
  • Material: Aluminum body
  • Weight Range: 3.17 oz to 7.05 oz (with included weights)
  • Aluminum Weights Included: 5.5 ounces
  • Stainless Steel Weights Included: 3 ounces
  • Tungsten Weights Included: 2 ounces
  • Platform: AR-15
  • Gas System Compatibility: Rifle-length buffer tubes

What’s Included

  • Aluminum buffer body
  • 5.5 oz aluminum weights
  • 3 oz stainless steel weights
  • 2 oz tungsten weights

Frequently Asked Questions

How much does buffer weight actually matter for an AR-15?

Buffer weight directly controls your rifle's cycling speed and recoil impulse. If your rifle feels over-gassed with sharp recoil and aggressive ejection, a heavier buffer slows everything down and reduces wear. If it's struggling to cycle, you need to go lighter. The adjustable buffer lets you find that perfect balance without buying multiple fixed buffers.

Can I use this buffer if I switch between suppressed and unsuppressed?

Yes, that's where an adjustable buffer really shines. Suppressors add backpressure and make your rifle run faster, so you typically need a heavier buffer when suppressed. This buffer lets you swap weights depending on your setup, which is way more practical than buying separate buffers for each configuration.

What's the difference between rifle-length and carbine buffer tubes?

Rifle-length systems have a longer dwell time, meaning lower pressure hits the bolt carrier when it reaches the buffer. This naturally runs softer and lets you use lighter weights. Carbine systems use shorter tubes and higher pressure, so they need heavier buffers to manage the same recoil. This buffer is built specifically for rifle-length tubes, so it's optimized for 18-inch barrels and longer.

Do I need additional weights, or is this buffer complete out of the box?

The buffer comes with all the weights you need to start tuning. The included aluminum, stainless steel, and tungsten weights give you a solid range to work with from light to moderate-heavy configurations. Additional tungsten weights are available separately if you want to build heavier setups beyond what's included.

Additional information

UPC

850048530607

Manufacturer

Manufacturer Part Number

OSABSAR15RIFLE

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