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Get a good head-start on your 300 BLK Pistol build.
NEW!

APF 300 BLK Pistol 10.5" Barrel Complete Upper Receiver, .300 AAC Blackout, 9" M-Lok Handguard

Item # WX2-699236

Mfg. Number: UP-551M

UPC: 748252213822

In Stock
Get a good head-start on your 300 BLK Pistol build.
NEW!

APF 300 BLK Pistol 10.5" Barrel Complete Upper Receiver, .300 AAC Blackout, 9" M-Lok Handguard

Item # WX2-699236

Mfg. Number: UP-551M

UPC: 748252213822

In Stock
Buyer's Club
Info
$647.99
Club 4-Pay $162.00
Non-Member $719.99
Additional Shipping Fees Apply

Additional Shipping fees/restrictions apply >

  • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.
  • This item cannot ship to Canada.
  • This item cannot ship internationally.
Additional Shipping Fees Apply

Additional Shipping fees/restrictions apply >

  • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.
  • This item cannot ship to Canada.
  • This item cannot ship internationally.
  • -
    +
  • Buyer's Club
    Info
    $647.99
    Club 4-Pay $162.00
    Non-Member $719.99

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Details & Specs

Start your next AR-15 pistol build with this Complete AR Pistol Upper from Alex Pro Firearms! APF is headquartered right here in Alexandria, Minnesota, just about two hours north of The Guide. Point being, we know the folks at APF. We know their products are all designed and built in-house -- which means they can deliver outstanding quality at an equally outstanding price!

  • .300 AAC Blackout
  • 10.5" 4140 steel mid contour barrel
  • 9" M-Lok handguard for easier re-positioning of accessories
  • Pistol-length gas system
  • M16 BCG with nitride coating
  • Mil-spec charging handle
  • USA made

Order today!

Key Specifications
  • Item Number: 699236
  • Caliber: .300 AAC Blackout
  • Barrel: 10.5" 4140 steel mid-profile
  • Barrel twist: 1:8"
  • Receiver: 7075-T6
  • Gas system: Pistol-length
  • BCG: M16 nickel boron
  • Charging handle: Mil-spec
  • Handguard: 9" M-Lok
  • Muzzle device: A2
  • Model Number: UP-551M
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