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A1 triangular handguard


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15 hours ago, Albroswift said:

Front delta ring should be crossover also? 

If it's a combo, it will.  That's what went on all the A2 conversions, back in the day.  Look for something like this:

A1, only, looks like this:

Handguard Cap Triangle - .750 AR15

A2, only, looks like this:

Handguard Cap Round - .750 AR15

The combo works with both A1 and A2 handguards, and looks like this:

DZ Round and Triangle Handguard Cap Mil-Spec AR Steel Standard Retainer

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The front isn't a Delta ring - it's a handguard cap.  Yes, it might work - with the correct handguard cap.  You'll be the guinea pig for A1 handquards, as far as reported here, on a .308AR. 

This is a barrel nut/delta ring assembly:

AT3™ AR15 Barrel Nut & Delta Ring Assembly

Spikes Tactical Delta Ring Assembly | Mil-Spec Barrel Nut |

Delta Deals AR-15 Barrel Nut + Delta Ring Assembly

The front that holds the handguards is just a "handguard cap."  Pics were provided above, with what fits what - be careful of what you buy,

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Thanks for your reply. Yeah, I've seen a couple of varieties of the front cap. Right now I've got an aero precision M5 receiver and I've been trying to plan things out before I buy a bunch of parts randomly. I've seen a couple LR 308s or AR-10s online with the A1 front handguard, so it's obviously possible.

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If A2 rounds off the AR15 will fit the barrel nut threaded for a .308AR, then A1 handguards will fit, too.  The M16 barrel nut (outer dimensions) never changed.  If that .308AR barrel nut works for the A2s, then it works for the A1s.  :thumbup:

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