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18" AR10/DPMS 308 barrel fluted
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Available Aug 10th

Fits AR10 and LR308 platforms- includes all companies that copied the DPMS LR series, Aero Precision, POF, Spikes, PSA.

They use a rifle length gas tube NOT the Armalite rifle length gas tube.

5R rifling, 1:11.25" twist

Both 18 and 20" barrels will have a rifle gas system. The barrels are  mid weight so they don't heat up and string shots like some lightweight barrels being produced.

.800" dia under the guard, .750 gas block, .720 dia in front, 5/8-24 threads. The gas block boss on the barrels are sized to work with .750 diameter gas blocks, that does NOT mean the boss itself is exactly .750.

18" barrel 2lb-8.8oz, 40.8 oz

4150 CMV, Melonite treated, barrels have straight flutes

Test barrels proved very accurate with MK319 ammo.

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    (ARP) AR15 Performance LLC

    Key West, FL 33040

    Hi performance 5.56 & 6.8 SPC barrels and parts since 2007

    The best way to contact is by email

    Phone: 801-750-4216  8am-5pm eastern time  M- Fri only
    Sorry we do not export anything and do not have a storefront. Everything must be purchased online.

    6.8 SPC II, 5.56, 223 wylde, 30 Herrett, TAC 6,

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