Ruger AR-556 MPR Semi-Auto Rifle in .450 Bushmaster

Ruger AR-556 MPR Semi-Auto Rifle in .450 Bushmaster is rated 4.5 out of 5 by 53.
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$949.99

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Cartridge or Gauge: .450 Bushmaster
Product Chart
Cartridge or Gauge
Model Number
Action
Barrel Length
Hand
Finish
Stock Color
Round Capacity
Gun Weight
Availability
Price & Quantity
Additional Info
Availability
.450 Bushmaster
8522
Semi-Automatic
18.6"
Ambidextrous
Blued
Black
5 + 1
7 lbs. 4 oz.
Ship to Address
Free Ship to Store
Store Availability at
Check Store Inventory Check Store Availability Change stores
$949.99
SKU: 2654595
Invalid quantity
Order Online
Cartridge or Gauge
.450 Bushmaster
Model Number
8522
Action
Semi-Automatic
Barrel Length
18.6"
Hand
Ambidextrous
Finish
Blued
Stock Color
Black
Round Capacity
5 + 1
Gun Weight
7 lbs. 4 oz.
Ship to Address
Free Ship to Store
Store Availability at
Check Store Inventory Check Store Availability Change stores
Ruger AR-556 MPR Semi-Auto Rifle in .450 Bushmaster
SKU:  2654595
Cartridge or Gauge
.450 Bushmaster
Model Number
8522
Action
Semi-Automatic
Barrel Length
18.6"
Hand
Ambidextrous
Finish
Blued
Stock Color
Black
Round Capacity
5 + 1
Gun Weight
7 lbs. 4 oz.
$949.99
Invalid quantity
Order Online
Ship to Address
Free Ship to Store
Store Availability at
Check Store Inventory Check Store Availability Change stores
Description
Ruger AR-556 MPR Semi-Auto Rifle in .450 Bushmaster

The Ruger® AR-556® MPR Semi-Auto Rifle in .450 Bushmaster operates with direct-impingement and a carbine-length gas system. The bolt is machined from high-strength superalloy, significantly stronger than traditional MSR bolt materials, and engineered with tapered lugs to support the large case head of .450 Bushmaster ammunition. The flattop upper receiver features an enlarged ejection port to accommodate the .450 case, as well as forward assist, dust cover, and brass deflector. The lower receiver comes equipped with a Magpul® MOE® pistol grip and a MOE SL™ 6-position, collapsible buttstock on the Mil-Spec buffer tube. Upper and lower receivers are CNC-machined from Mil-Spec forgings and Type III hard-coat anodized for maximum durability. A 15" free-float, M-LOK® handguard features accessory attachment slots at 3:00, 6:00 and 9:00 positions. The cold hammer-forged 4140 chrome-moly steel barrel comes with 5R rifling and black Nitride finish; a 1:16" twist rate maximizes accuracy with bullets ranging from 170 to 260 grains. A Ruger radial-port flash suppressor is attached to the barrel with a 11/16"-24 thread, also optimized for the .450 Bushmaster cartridge. The Ruger AR-556 MPR Semi-Auto Rifle comes with one 5-round metal, detachable box magazine. Made in USA.

  • Optimized for the .450 Bushmaster cartridge
  • Direct-impingement system
  • Forward assist and dust cover
  • Radial-port flash suppressor
  • Free-float, M-LOK handguard
  • MOE SL 6-position buttstock
  • MOE pistol grip
  • Enlarged ejection port
  • Flattop upper receiver
  • 1:16" twist 5R rifling
Web ID: 100213168
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