PWS MOD 2 Enhanced Buffer Tube - MIL-SPEC

Manufactured by Primary Weapon Systems
Manufactured by Primary Weapon Systems
4 Reviews

In Stock

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The PWS Enhanced Buffer Tube Mod 2 uses a completely redesigned attachment system and body. Rock solid when installed, yet easily removed, a ratchet-lock castle nut eliminates the need for staking. An extended anti-tilt lip increases the life of the buffer tube by maintaining rear support of the bolt carrier. This prevents the carrier from bumping the front of the tube and ensures smoother cycling.

The Enhanced Buffer Tube is optimized for strength and rigidity and MIL-SPEC Type III, Class 2 hardcoat anodized for corrosion protection.

  • MIL-SPEC tube diameter
  • Impact extruded 7075 aluminum
  • Extended carrier support lip
  • 6-position tube
  • Lightening cuts
  • Unique fluted tube design for debris clearing
  • Engraved position numbers
  • Enlarged drain holes
  • MIL-SPEC Type III, Class 2 hardcoat anodized
  • Weight: 4.3 oz
  • Lifetime guarantee
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BrandPrimary Weapon Systems
FitmentMIL-SPEC - 1.14 in
ManufacturerPrimary Weapon Systems
MaterialAluminum - 7075-T6
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

Ratings & Reviews

4 reviews

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Very happy.


Lightweight, the ratcheting castlenut is a plus.


by -

Works like advertised, no play whatsoever. Great product.



Fantastic product the fit and finish is excellent be enhanced tube is great but the real innovation is in the ratcheting castle nut. For the part-time hobby builder I've never been able to stake a castle not properly. With this design we don't have to worry about it keep up the good work



this mated up to a bren 2 ms beautifully cant think off a better looking or modern buffer system to put on a gun like that this is definitely worth it looks and feels really good ratcheting system is one of a kind.