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The MMRB rifle combines modern features with classic lines. The MMRB-556 contains the same components as the MMR-556, but incorporates an F marked front sight block, and Magpul Industries MLOK SL handguard. This combination results in a slightly more cost effective rifle that is still suited for extremely hard use.
At the heart of our rifles, we use our M16 cut nitride bolt carrier group, matched with a fully nitrided Ballistic Advantage 16” mid-length barrel. Our mid-length gas system provides an extremely soft and controllable recoil impulse.
Our MPP-GI trigger has micro polished contact surfaces, and a fitted disconnector. This combination gives you the 5lb weight of a typical duty trigger, and removes all of the gritty drag while breaking the shot. Our fitted disconnector gives a positive, short reset that is hard to miss!
Out of stock
$1,125.00
Out of stock
Forged Lower Receiver:
• 7075-T6 Forged Aluminum
• Hard-Coat Anodized Mil 8625 Type 3 Class 2 – Matte Black
• Upper Receiver Tension Screw with nylon tip to remove any slack between lower and upper receiver.
• Detent Set Screw for rear take-down pin (captures spring that is normally held in by the end plate.)
• Bolt Catch Screw (Used in place of the Bolt Catch roll pin)
• Custombilt MPP Trigger: (Micro Polished Performance) GI Trigger
• Custombilt Enhanced Trigger Guard
• 6-Position Mil-Spec Buffer Tube, Carbine Buffer, Stainless Steel Spring
• Magpul CTR Stock
• Magpul MOE Grip
• Mil-Spec Safety Selector
• 30 round magazine
Forged Upper Receiver:
• 7075-T6 Forged Aluminum
• T-Marked Flat-Top with Picatinny Rails
• Hard-Coat Anodized Mil 8625 Type 3 Class 2 – Matte Black
• Mil-Spec Charging Handle
Handguard:
•Magpul SL Handguard:
Barrel (1:7 twist)
• 16″
• 4150 Chrome Moly Vanadium
• Nitride/QPQ Finish
• Thread: 1/2 x 28
• A2 Flash Hider
• Pinned Front Sight Block
• Mid- Length Gas System
Custombilt M16 Bolt Carrier Group:
• Properly staked gas key
• Nitride Coated
• Laser Engraved Custombilt Logo
• HPT – High Pressure Tested
• MPI – Magnetic Particle Inspected
• 9310 Bolt
• 8620 Bolt Carrier