5.56 Bolt Carrier Group, No Logo – Black Nitride, M16-cut carrier, Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt), Carrier has forward assist serrations, Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning, Properly staked gas key, Shot peened, HPT tested, Black o-ring insert on extractor, High quality BCG ($150)
AR15/M4 5.56 Ambidextrous Charging Handle ($80)
AR15 H2 Buffer ($35)
AR15 Enhanced Pistol Buffer Kit ($50)
AR15 Enhanced Carbine Buffer Kit ($55)
EPC Buffer Kit – 7.7 oz ($70)
KE Arms KE-9 complete lower, KE match trigger, accepts glock mags, 9mm ($540)
DESCRIPTION
This EPC-9 Complete Upper Receiver comes standard with our ATLAS R-ONE Handguard.
Includes: EPC-9 Upper Receiver , .8″ ATLAS R-ONE Handguard, 5.5″ 9mm CMV Barrel
EPC-9 Upper Receiver Features:, Last round bolt hold open mechanism, Accepts most AR15 compatible barrel nuts and handguards, Dimple above threads to allow for proper handguard timing, Standard AR15 takedown/pivot pin lug pattern, Machined from custom forged 7075-T6 aluminum
ATLAS R-ONE Handguard Features: Full top picatinny rail for optional attachments, Quick disconnect sling socket at the 3, 6 and 9 o’clock positions, 1.3″ Inside diameter, 1.5″ Outside diameter, Compatible with mil-spec AR15 upper receivers and barrels,
9mm Barrel Features: Chamber: 9×19, Length: 5.5″, Twist: 1 in 10, Threading: 1/2″x28, Material: Chrome Moly Vanadium, Finish: QPQ corrosion resistant finish both inside and out ($370)
M4E1 Enhanced No FA Complete Upper, 16″ 5.56 Mid, 15″ Enhanced M-LOK – Anodized Black
Includes: M4E1 Enhanced Upper Receiver, No Forward Assist, 15″ Gen 2 Enhanced Handguard, 16″ 5.56 CMV Barrel, Low Profile Gas Block and Mid-Length Gas Tube, Port Door Assembly, A2 Flash Hider
This complete upper receiver does not include BCG or Charging Handle.
M4E1 Enhanced, No Forward Assist Upper Receiver Features: No Forward Assist, Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part. Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards, M4 Feedramps, .250 takedown pin holes, Laser engraved T-marks,
Gen 2 Enhanced Handguard Features: 1-piece free float design, Built in anti-rotation tabs, Scalloped rails, Continuous top rail, 1.78″ inside diameter, Compatible with low profile gas blocks
16″ 5.56 Barrel Features: 5.56 NATO 16″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled, .750 gas block journal, Mid length gas system, .0785 gas port, M4 Feed Ramp Extension, HP and MPI tested
Standard A2 flash hider ($485)

M4E1 Threaded No FA Complete Upper, 16″ 5.56 Mid, 15″ M-LOK ATLAS R-ONE – Anodized Black
Includes: M4E1 Threaded Upper Receiver, No Forward Assist, 15″ ATLAS R-ONE Handguard, 16″ 5.56 CMV Barrel, Low Profile Gas Block and Mid-Length Gas Tube, Port Door Assembly, A2 Flash Hider
This complete upper receiver does not include BCG or Charging Handle.
M4E1 Threaded, No Forward Assist Upper Receiver Features: No Forward Assist, Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part. Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards, M4 Feedramps, .250 takedown pin holes
ATLAS R-ONE Handguard Features: Full top picatinny rail for optional attachments, 1.3″ Inside diameter, 1.5″ Outside diameter, Compatible with mil-spec AR15 upper receivers and barrels, MLOK attachment points
16″ 5.56 Barrel Features: 5.56 NATO 16″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled, .750 gas block journal, Mid length gas system, .0785 gas port, M4 Feed Ramp Extension, HP and MPI tested, Standard A2 flash hider ($480)
M4E1 Threaded No FA Complete Upper, 16″ 5.56 Mid, 15″ M-LOK ATLAS S-ONE – Anodized Black
Includes: M4E1 Threaded Upper Receiver, 15″ ATLAS S-ONE Handguard, 16″ 5.56 CMV Barrel, Low Profile Gas Block and Mid-Length Gas Tube, Port Door Assembly, A2 Flash Hider
This complete upper receiver does not include BCG or Charging Handle.
M4E1 Threaded, No Forward Assist Upper Receiver Features: Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part.
Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards, M4 Feedramps, .250 takedown pin holes
ATLAS S-ONE Handguard Features: Front and rear picatinny rail, Eliminated center of top rail for weight reduction, Indexing grooves in 12:00 position for positive grip control, 1.3″ Inside diameter, 1.5″ Outside diameter, Compatible with mil-spec AR15 upper receivers and barrels, MLOK attachment points
16″ 5.56 Barrel Features: 5.56 NATO 16″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled, .750 gas block journal, Mid length gas system, .0785 gas port, M4 Feed Ramp Extension, HP and MPI tested, Standard A2 flash hider ($480)
Black Rain Ordnance, SPEC15 Forged Aluminum Upper Receiver, 16″ 4150 Chromoly Carbine Length Gas Barrel, A2 Fixed Front Sight, Mil-Spec Phosphated BCG, “LET IT RAIN” Dust Cover ($550)