DPMS Upper Receiver Stripped AR-15 Hi-Rider Flat-Top with Charging Handle Matte

Product #: 181864 DPMS #: FTT-HRA
$131.99
Status:
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Product Information

Upper receiver comes completely stripped. Forged from 7075 aluminum that has been T6 heat treated and hard coat anodized (Mil-A-8625A). This upper features an elevated flattop rail that is 1-7/8" above the bore's centerline. Forward assist and dust cover omitted for lightweight, smooth, snag-free function. This upper includes a charging handle.

AR-15 Hammer and Trigger Pin Dimensions:
  • Some Colt® AR type rifles have been manufactured with hammer and trigger pins and holes which are approximately .176" in diameter. These are referrend to as "large pin" Colts. This was done to eliminate the chances of someone putting M16 fire control parts into an AR receiver. This is not found in all Colt models, just some.
  • All other AR type rifle manufacturers have stayed with the .156" diameter hammer and trigger pins and holes, or "small pin" which is the same spec used in all military M16 rifles.
  • Measure your pins or the holes in your lower receiver to determine if you have a "small" or "large" hole Colt® AR

    Technical Information

    Material: Machined from a 7075-T6 Aircraft alloy forging

    Finish:

    Features: The upper features a machined rail that is 1/2" higher than standard upper receivers

    Gunsmithing Required:

    Notes:
  • Include charging handle
  • Eliminates scope height problems encountered with standard "flat top" receivers
  • Its primary use is target shooting and custom rifle building
    AR-15 Hammer and Trigger Pin Dimensions:
  • Some Colt® AR type rifles have been manufactured with hammer and trigger pins and holes which are approximately .176" in diameter. These are referrend to as "large pin" Colts. This was done to eliminate the chances of someone putting M16 fire control parts into an AR receiver. This is not found in all Colt models, just some.
  • All other AR type rifle manufacturers have stayed with the .156" diameter hammer and trigger pins and holes, or "small pin" which is the same spec used in all military M16 rifles.
  • Measure your pins or the holes in your lower receiver to determine if you have a "small" or "large" hole Colt® AR

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      DPMS Upper Receiver Stripped AR-15 Hi-Rider Flat-Top with Charging Handle Matte
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