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Home AR15 & AR10 Upper Receivers Cross Machine Tool UPUR-4 Billet AR-15 Upper Receiver – Slick Side
Ballistic Advantage Modern Series 18″ .308 Win Midlength Tactical Government Contour 1:10 Nitride Barrel
Ballistic Advantage Modern Series 18″ .308 Win Midlength Tactical Government Contour 1:10 Nitride Barrel $169.95 Original price was: $169.95.$143.95Current price is: $143.95.
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NBS 18″ 6.5 Creedmoor Black Nitride 1:8 Rifle Length Heavy Barrel
NBS 18″ 6.5 Creedmoor Black Nitride 1:8 Rifle Length Heavy Barrel $119.95

Cross Machine Tool UPUR-4 Billet AR-15 Upper Receiver – Slick Side

$178.00

MPN

UPUR-4

Finish

Anodized, Black

Forward Assist

Not Compatible

Port Door / Dust Cover

Compatible

Receiver Material

7075 Aluminum

T-Marks

T-Marked

Feed Ramps

M4

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Description

Looking for something to change up the standard AR-15 formula? This Cross Machine Tool Ultra Precision Upper Receiver is designed for AR-15 rifles is compatible with Mil-Spec lower receivers. The UPUR-4 is machined from a billet of 7075-T6 aluminum allowing for a custom look and precise dimensions and is much stronger than traditional 6061 aluminum. This Billet AR-15 upper receiver features a slick side design without the forward assist and is machined for use with Mil-Spec dust covers. It is machined with an increased wall thickness for rigidity and the carrier bore diameter is precision cut to ensure consistent and smooth function. The flat top picatinny rail features T-marks to keep track of your optic position if you remove it often and is compatible with standard charging handles. This CMT Slick Side AR-15 Upper Receiver is compatible with a wide range of parts, so you can build your dream rifle.

Features:

  • Machined from billet 7075-T6 aluminum
  • Hardcoat anodized
  • Engraved T-marks and 1913 picatinny rail
  • Increased wall thickness
  • Precision cut carrier bore diameter
  • No forward assist or shell deflector
  • M4 feed ramps
  • Compatible with Mil-Spec lowers and parts

Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited to own. Cross Machine Tool is a veteran owned business that takes pride in manufacturing products you will own. CMT products exceed military standards, so you can build the best AR style rifle possible.

Shipping & Delivery
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aero-precision-m4e1-complete-upper-16-5-56-m4-barrel-em-15-quantum-handguard-anodized-black.jpg

MAECENAS IACULIS

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ADIPISCING CONVALLIS BULUM

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SKU: 18105 Categories: AR-15 Upper Receivers, AR15 & AR10 Upper Receivers
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