BCA Andean Bear AR-15 Complete Upper Assembly, 16" 416R Stainless M4 Contour Barrel, 5.56 NATO, Mid Length Gas System, 1:7 Twist w/ 15" Lightweight Keymod

Special Price $219.99 was $354.99
Out of stock

SKU: UA556MM41617(SS)-(15)LWKM

  • 16" 416R Stainless Steel Barrel w/ 1:7 Twist
  • M4 Contour Barrel Profile
  • 15" Keymod Rail
  • 5.56 NATO Caliber
  • M4 Flat Top Upper Receiver
  • Mid Length Gas System, .750 Diameter Gas Block
  • BCA Standard BCG
  • Charging Handle
  • Bird Cage Flash Hider

The BCA Andean Bear AR-15 Complete Upper Assembly has a 16" m4 contour barrel profile made of 416R stainless steel with a stainless finish, a mid length gas system and a 1:7 twist. The assembly includes a 15" lightweight keymod rail, an m4 flat top forged upper receiver with forward assist, a proprietary bolt carrier group, a charging handle and a bird cage flash hider. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.

The BCA AR-15 Complete Upper Assembly, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by our BCA limited lifetime warranty. Choose an upper assembly designed by a U.S. company and made in the U.S.A. Choose BCA.

More Information
SKU 628-UA556MM41617SS-15LWKM
Weight 4.0000
Length 16
Twist 1:7
Finish Stainless
Material 416R Stainless Steel
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes N/A
Gas System Mid Length
Gas Block System 0.750
Gas Hole Diameter 0.076
Charging Style Rear Charging
Platform AR-15