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Description
Description
The AR Receiver Extension Kit is constructed from aircraft grade aluminum with rolled threading. The buffer tube has been hard coat anodized for maximum corrosion and wear resistance. A standard buffer spring and 3oz carbine buffer are included as well as a castle nut and lower receiver end plate.
This assembly kit will fit on all Mil-Spec AR-15 lower receivers.
- Mil-Spec Carbine Buffer Tube / Receiver Extension
- 6 Position Aircraft Grade Aluminum
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Carbine Buffer Spring
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Castle Nut/Receiver Nut
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Mil-Spec Receiver End Plate
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Carbine Recoil Buffer
Weight: 0.0000 oz
MPN: MAR047-A
SKU: 1690
SKU: 1690
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Customer reviews
Comments (4)
FYI - these are Trinity Force buffer kits.
I can't find these on the trinity force site. Any idea if they're 6061 or 7075?
Seems likely to be 6061. It’s sturdy enough, but not as durable as a real 7075 extension.
EDIT: Confirmed 6061.
https://redcon1tactical.com/trinity-force-ar-15-receiver-extension-kit-black.html...
Thank you for the update. I did end up grabbing a couple and they seem fine so far. I'll see how they hold up to heavy use.