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Rear Sight Windage Knob Spring Pin (Item A)
DRAWING ITEM (A)
Rock River Arms AR-15 Bolt Carrier Group
The Rock River Arms AR-15 bolt group assembly is machined from 8620 carbon steel, that is heat treated. Exterior of carrier is parkerized and interior is chrome-lined. Uses a Mil-Spec gas key that is chrome-lined, heat treated and secured to the carrier with Grade 8 fasteners that are properly staked. The bolt assembly is machined from Carpenter No. 158® steel, shot-peened, and has a tool steel extractor that is machined from bar stock.
Forged Charging Handle
Complete, assembled forged charging handle.
Rock River Arms Flat-Top Receiver Without M4 Ramps
Laser T-Marked flat-top receivers, complete with forward assist and ejection port cover.
NO M4 RAMPS
Shell Deflector For Detachable Carry Handle
6.8 SPC Bolt Carrier Group
Features the larger bolt face diameter for the 6.8 x 43 Rem SPC. AR-15 bolt carrier machined from 8620 carbon steel, that is heat treated. Exterior of carrier is parkerized and interior is chrome-lined. Uses a Mil-Spec gas key that is chrome-lined, heat treated and secured to the carrier with Grade 8 fasteners that are properly staked. The bolt assembly is machined from Carpenter No. 158® steel, shot-peened, high pressure tested, and has a tool steel extractor that is machined from bar stock.
VLTOR Extended Mid Length 10 Inch VIS 2A-AK
VLTOR VIS 2A-AK extended mid length ( 10 inches ) with Bolt Assist and Shell Deflector. The VIS offers an affordable method of combining the upper receiver to the handguard assembly for a solid structure. The VIS mounts conventional barrels with the use of a special barrel nut provided in the VIS kit. Four rails come equipped with each system, with a continuous rail at the top. The lower handguard is removable in order to give access for an installation of a M203 Grenade Launcher. Features forward bolt assist and shell deflector, CNC machined to exacting tolerances.
Vltor MUR-1A Upper Receiver
Vltor's forged flat-top Modular Upper Receiver, with forward assist and shell deflector.
M4 feed ramps in upper receiver.
VLTOR Rifle Length VIS - 3AK
VLTOR VIS (Versatile Interface Structure)
Young Manufacturing Chrome AR-15 Bolt Carrier Group
The carrier is manufactured by Young Manufacturing using MILSPEC quality steel. All carriers are then heat-treated, hard-chromed and each carrier is chrome-lined in the bolt throat.
These carriers are assembled by PK Firearms using quality milspec parts.
These bolt groups are assembled with standard cam pins; however you may select an option at checkout for a chrome cam pin to be installed.