MMC Combos Luth MBA 5 Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
Luth-AR AR-15 MBA-5 Adjustable Stock
The Luth-AR MBA-5 Buttstock is the latest in the MBA Series. Designed as an affordable, lightweight, adjustable carbine buttstock with a paddle-style adjustment lever allowing rapid positioning. The wide flared cheek rest provides a comfortable cheek weld and the integrated Picatinny rail allows for attaching a mono-pod or other accessories.
The MBA-5 is designed to fit either Mil-Spec or Commercial Carbine buffer tubes and includes an industry exclusive Anti-Rattle clamp. The MBA-5 is Grovtec Quick Detach sling cup ready.
Lightweight Carbine Buttstock
MBA Ergonomic Styling
Paddle Adjustment Lever for Rapid Positioning
Flared Cheek Rest
Integrated Picatinny Rail for Mono-pod attachment
Quick Release Cup Pockets, both sides*
High-Strength Glass-filled Nylon
Fits either Mil-Spec or Commercial carbine buffer tubes
Length-of-pull: 11.5" collapsed, 14.5" extended
Weight: 8.95 oz.
KAK Industry Complete Mil-Spec Lower Parts Kit (LPK)
General Info: Lower Parts Kits include all of the small bits & pieces needed to make your AR-15 Lower fully functional. Such as the mag release, take-down pins, selector, trigger guard, bolt catch, buffer retainer, roll-pins, detents, and small springs are included to allow completion. 'Mil-Spec' fire control group kits include stronger springs meant to ignite hardened primers found on M855 (Green Tip), XM193, and other military 5.56x45mm loads.
Brand: The Mil-Spec Lower Parts Kit is produced by Kak Industries with high-quality steel & brass components.
Brand Info: KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices. KAK began in one small shop, supplying specialty firearms components with innovative designs to shooters and hunters across America. Almost immediately, the demand for these products grew to such that a dedicated manufacturing facility was opened in Southern California, a major aerospace manufacturing hub.
Platform: Mil-Spec AR-15
FCG Included: The Mil-Spec KAK kit comes with a Mil-Spec Fire Control Group to ensure reliable operation and ignition of hardened rifle primers.
Grip: The Mil-Spec lower parts kit includes an A2 style grip and grip screw to complete your AR-15 lower receiver.
Weight: The overall weight of the KAK Mil-Spec Lower Parts Kit is 0.505lbs.
Made in the USA
Black A2 Pistol Grip
Pistol Grip Screw
Pistol Grip Lock Washer
Trigger Guard Roll Pin
Bolt Catch Spring
Bolt Catch Roll Pin
Magazine Catch Button
Magazine Catch Spring
Front Pivot Pin
Pivot Pin Detent Spring
Take Down Detent
Buffer Retainer Pin
Buffer Retainer Spring
Brand: KAK Industry
Model: Mil-Spec Lower Parts Kit
Includes Fire Control Group: Yes
Includes Grip: Yes
Grip Model/Style: Mil-Spec A2 Grip
Grip Color: Black
Full Auto Compatible: No
Restricted States: No
Weight: .505 Lbs
Note: Trigger Guard Type/Style May Vary (ie: Mil-Spec and/or Enhanced)
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
An AR-15 bolt carrier group is a piece of a firearm that houses many important parts such as the firing pin, gas key, cam pin, extractor, and bolt. With all these pieces working together the BCG can grab and feed another round out of a detachable magazine, chambers and engages the cam groove, engage with the locking lugs in the barrel, fire, and extract a spent cartridge. During the extraction of a cartridge, the BCG works to absorb the force of the explosion by expanding gas in the carrier. During this process gas is tapped off from the barrel and is sent into the cup inside of the gas key, creating an inertial force that sends the Bolt Carrier Group back into the buffer tube which helps to minimize the recoil of your gun when firing and the cycle will repeat for subsequent shots.
About this BCG: This BCG is an AR-15 compatible design, allowing use with .223 Remington, 5.56 NATO, .300 Blackout, & .350 Legend cartridges. The standard AR-15 bolt carrier is also machined from 9310/8620 Alloy Steel and is completed with a Nitride finish. This BCG comes with the ability to be fully-auto compatible and also features forward assist notches. MPI testing has also been done to ensure that there are no structural flaws to this BCG.
Caliber Compatability: .223 Rem, 5.56 NATO, .300 BLK, .350 Legend - This BCG is standard for the .223 Rem, 5.56 NATO, .300 Blackout, .350 LGND calibers, and is interchangeable between all 4 simultaneously. This includes .22 Nosler Chambered AR-15s and .223 Wylde rifles.
Finish: Nitride - Nitriding is a process during manufacturing that diffuses nitrogen into the steel to make a case-hardened surface for improved resistance and strength. A Nitrided BCG typically has a gloss black texture. Nitrided Bolt Carriers have increased resistance from heat, and corrosion.
Material: 9310 Alloy Steel - Bolt Head - 9310 Steel is a low alloy steel that is a mixture of nickel, chromium, and molybdenum. This steel is built to have high core hardness and high fatigue strength which make it the perfect steel to hold up in the harsh environments of the bolt head.
8620 Alloy Steel - Body - 8620 Steel is a carburized alloy steel meaning carbon was added to increase the hardness of the steel. 8620 is known for its high case toughness and high core toughness. Made mostly of nickel concentrate, this steel can easily withstand the firing stress of the BCG under operation.
Forward Assist Notches: This BCG comes with forward assist notches which allow the forward assist on the upper to contact the BCG pushing it forward and locking the bolt into place. These forward assist notches can also help clear malfunctions in a speedy manner when the BCG becomes jammed.
Gas System: Direct Impingement - Direct impingement is the process of directing the gas created during the operation of a firearm through the barrel, gas block, gas tube, and eventually into the BCG again to cycle the action and prepare the firearm for another round.
Brand: Recoil Technologies
Caliber Compatibility: 5.56 NATO, .223 Rem, .300 BLK, .350 Legend
Bolt Head Material: 9310 Alloy Steel
Bolt Head Finish: Nitride
Body Material: 8620 Alloy Steel
Body Finish: Nitride
Style: StandardGas System: Direct Impingement
Forward Assist Cuts: Yes
Full Auto Compatible: Yes
AR-15 M4 Charging Handle Mil-Spec Quality
Machined from aluminum 7075 T6 forgings
Complete assembly including latch
Finished in Type III Hardcoat Anodized and Teflon Coated final finish for smoother operation
Includes Omega Mfg. Standard Mil-Spec Buffer Tube Kit (3oz Buffer)
Please note: If the listing says "In-Stock" it means we have the item(s) in stock. Please check this LINK to view our most up to date shipping status.
Warranty, Returns & Terms: MMC Armory offers a 30 day return, refund and exchange policy. You must email or call MMC Armory and obtain an RMA number prior to any return, refund, or exchange. All returns must include the original order number, receipt or invoice, along with the customers billing address, shipping address, contact phone numbers, contact emails, and RMA number. Returns, refunds, and exchanges may take up to two weeks, not including transit times, for processing after we have received return product. Return shipping costs will be the responsibility of the returning party, with the exception of the wrong item being received or on warranty exchange during the first 30 days after delivery. Items returned for warranty will only be replaced or exchanged, no refund given on warranty items.