Old school pic rail quad rail lightweight recommendations??

[masakari]

If you're looking for a lightweight quad rail, the only real choices are the DDM4 (Lite III) and BCM QRF rails. I have two of the DDM4 rails on lightweight builds, and they are excellent rails.

[amac]

I have an old school KAC URX and can’t part with it (primarily due to its proprietary tool!). I just pulled a BCM KMR off another SBR and put a Centurion C4 in its place. Noticeably heavier than the slim tube, but fits my hand so much better. It locks up super tight. No proprietary barrel nut or tools required. With barrel nut and hardware, weight is approximately 3 oz different. For the money, I’d get the C4.

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