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Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! near North Charleston, Charleston, SC

$ 340

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Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! 29476341
Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! 29476342
Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! 29476343
Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! Thumbnail 29476341
Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! Thumbnail 29476342
Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! Thumbnail 29476343

Product Description

A classic rifle-length 20-inch A2-style AR-15 complete upper receiver assembly WITHOUT BCG or charging handle chambered in 5.56 NATO with a 1:9 twist rate and magnetic particle inspected components, ready to mount onto a standard lower receiver.

Assembly Breakdown:
Barrel: 20-inch length, 5.56 NATO chamber (safe for both 5.56 and .223 Remington), 1:9 twist (best for stabilizing standard 55gr up to 69gr bullets).
Markings: "B MP" typically indicates a Bushmaster or similar legacy mil-spec manufacturer stamp denoting Magnetic Particle (MP) tested steel.
Hardware Included: Barrel nut, gas tube, A2 front sight base (FSB), flash suppressor (A2 birdcage), rifle-length handguards, and upper receiver.
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Private Party title for Bushmaster 20-inch, AR15 5.56 NATO barrel with a 1:9 twist and "B MP" (Bushmaster Magnetic Particle) w/barrel nut, flash suppressor, gas tube, A2 front sight, handguards & upper receiver - NEW, NEVER USED!! Private Party Details
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BearNBoo

Member Since: 2020

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North Charleston, Charleston, South Carolina

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