MRA Match 5R Nitride AR-15 barrel 300 BLK - Maple Ridge Armoury
Maple Ridge Armoury is a boutique Canadian manufacturing company focused on innovative, industry leading design and manufacturing of firearm parts and accessories. Our team is composed of dedicated, passionate professionals who are committed to producing quality products and to providing exceptional service to our customers.
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MRA Match 5R Nitride AR-15 barrel 300 BLK

$419.99

The Maple Ridge Armoury V1 Match Nitride AR-15 barrel is precision CNC machined in Canada from premium, GBQ 4140 CMV steel blanks.  These button rifled blanks are honed, lapped, and  stress relieved.  Honing controls bore dimensions down to a tolerance of 0.0001″ and lapping is added quality assurance to ensure a concentric and uniform bore.  The blanks are air gauge tested during final inspection to ensure the most exacting tolerances. More information about the features and benefits of our barrels can be found in the product description tab below.
  • Material: 4140 CMV Steel
  • Treatment: QPQ Black Nitride
  • 300 BLK – 1/7” twist rate
  • 5R rifled, honed and hand lapped
  • 11 degree target crown
  • Precision cut chamber and gas port
  • M4 Barrel Extension
  • Fluting Style: Straight
  • Gas Journal: .750″
  • Gas System: Carbine Length DI
  • Barrel Length: 18.6″
  • Weight:
    • 18.6″ SPR – 2lb 2oz
  • Accuracy Guarantee
  • Lifetime Warranty
  • Made in Canada
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Description
The Maple Ridge Armoury V1 Match Nitride AR-15 barrel is precision CNC machined in Canada from premium, GBQ 4140 CMV steel blanks.  These button rifled blanks are honed, lapped, and  stress relieved.  Honing controls bore dimensions down to a tolerance of 0.0001″ and lapping is added quality assurance to ensure a concentric and uniform bore.  The blanks are air gauge tested during final inspection to ensure the most exacting tolerances.
All V1 Match Nitride AR-15 barrel have precision cut chambers, gas ports, and an 11 – degree target crown.  We use an SPR profile to achieve an optimal balance between harmonic resistance , heat resistance, and weight savings.  Our unique deep cut fluting improves air cooling and reduce weight without compromising the integrity of the barrel. The 1/7” twist rate will effectively stabilize projectiles between 110gr and 220gr with optimal results for the lighter projectiles.
All Maple Ridge Armoury V1 Match Nitride AR-15 barrel undergo QPQ Black Nitride heat treatment. This heat treatment provides superior corrosion, wear, and abrasion resistance.  Instead of adding material to the bore (like Chrome lining), Nitride treats the existing steel by imbuing nitrogen into the surface of the steel both inside and out.  In this way, the Nitride process offers excellent accuracy potential.

 Specifications

  • Material: 4140 CMV Steel
  • Treatment: QPQ Black Nitride
  • 300 BLK – 1/7” twist rate
  • 5R rifled, honed and hand lapped
  • 11 degree target crown
  • Precision cut chamber and gas port
  • M4 Barrel Extension
  • Fluting Style: Straight
  • Gas Journal: .750″
  • Gas System: Carbine Length DI
  • Barrel Length: 18.6″
  • Weight:
    • 18.6″ SPR – 2lb 2oz
  • Accuracy Guarantee
  • Lifetime Warranty
  • Made in Canada

 

Additional Information
Weight13 kg
Dimensions10 × 11 × 12 cm
Barrel Length

, , ,

Profile

Pencil, SPR Straight Flute, SPR Spiral Flute

Caliber

300 BLK

Finish

Black Nitride

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