Parts for Lower Receivers

  • The Armaspec B2 is a skeletonized extended magazine release designed to extend the length of the factory button. The Armaspec B2 makes it easier to release the magazine without changing the grip position.It’s compatible with 5.56/.223 and 7.62/.308 receivers.
  • HIPERTOUCH® ECLipse

    $275.00 $261.25
    Highlights
    • HIPERFIRE®’s Top-of-the-Line AR Trigger
    • Eclipses the Performance of Other Offerings
    • Nickel Bliss™, Electroless Nickel Boron (NiB) Done Right
      • Exceptionally Smooth Feel
      • Enhanced Corrosion Protection
      • Polished Look
    • Virtually No Take-Up
    Bonus Benefits
    • Cam-Over Toggle Engine™
      • Very Hard Hitting Hammer
      • Soft-Start Lock-Up™ for Pre-Ignition Stability
      • You-Adjust Pull Weights of 2½ and 3½ lbs.
    • Straight Trigger Bow
    • HIPERSHOE® Finger Pad Revolution™
      • Changes the Trigger Lever Length for Fine Weight Adjustment
      • Changes the Trigger Lever Length to Further Adjust Pre-Travel
      • Position Your Finger in the Same Place Every Time
      • Reduces the Perception of Trigger Weight Still Further
    Standard Benefits
    • Semi-Auto, Single Stage
    • Crisp, Clean, Trigger Break
    • Very, Short Over-Travel
    • Very, Positive Reset You Can Feel and Hear
  • Features:
    • Large thumb pad for positive tactile indexing
    • Extended skeletonized lever
    • High-speed manipulation
    Material:  8620 Steel, heat treated to 15N-89-91 Finish: Manganese Phosphate
  • Features:
    • Oval shaped paddle
    • Bolt release allows for fast contact to engage and retract the bolt carrier
    • High-speed manipulation
    • Textured for a non-slip grip, with good looks included
    • Material: 8620 Steel, heat treated to 15N-89-91
    • Finish: Magnesium Phosphate
    Includes:
    • Bolt Catch Spring 1-ea.
    • Bolt Catch Buffer (Plunger) 1-ea.
    • The Paddle™ Oversize Bolt Catch 1-ea.
    • Bolt Catch Roll Pin 1-ea.
  • The Luth-AR Modular Buttstock Assembly, MBA-1 w/ 3-Axis butt plate for AR style rifles is designed to replace the standard buttstock on your AR. The MBA-1 is designed to work with a standard A2 rifle style buffer tube and features a 3-Axis Buttplate with Length-of-Pull adjustment as well as Height and Lateral adjustments, and an adjustable cheek rise in a low-cost, lightweight, strong and high-quality design. The modular design of the MBA Buttstock allows you to configure your buttstock to your specific and personal needs. The MBA features multiple attachment points for a sling, including molded pockets that will accept Grovtec QD cups, sold separately.
  • The Luth-AR Modular Buttstock Assembly (MBA) for AR style rifles is designed to replace the standard buttstock on your AR. The MBA-2 is designed to work with a standard A2 rifle style buffer tube in a low-cost, lightweight, strong and high-quality design. Similar to the MBA-1, the MBA-2 is designed for those who do not need the additional adjustability of the MBA-1. The modular design of the MBA Buttstock allows you to configure your buttstock to your specific and personal needs, by adding additional adjustability as needed, or none at all. The MBA features multiple attachment points for a sling, including molded pockets that will accept Grovtec QD cups, sold separately.
  • The Luth-AR Modular Buttstock Assembly (MBA) for AR style carbines is designed to replace the standard buttstock on your AR. The MBA-3 is designed to work with a 6-position Mil-Spec or Commercial buffer tube. The MBA-3 features a 3-Axis Buttplate with Length-of-Pull adjustment as well as height and lateral adjustments, and an adjustable cheek rise in a low-cost, lightweight, strong and high-quality design. The MBA-3 also features an anti-rattle set screw. The modular design of the MBA Buttstock allows you to configure your buttstock to your specific and personal needs. Includes a rail attachment for attaching a monopod. The MBA features multiple attachment points for a sling, including molded pockets that will accept Grovtec QD cups, sold separately.
  • Product Description

    • Light weight stock to mount to a carbine rifle  (6-positions mil-spec or commercial tube)
    • Fits all .223 and most .308 AR carbine style rifles
    • Super Strong Glass Filled Nylon
    • 21st century look
    • Ergonomic
    • Easy to replace and quick to install
    • Uses 4 out of the 6 positions on a mil-spec or commercial tube

    Features

    • Lightweight buttstock for the carbine AR, weighing in at 9.5 ounces
    • Easy to add a Luth-AR Cheek Piece: Cheek piece will add an additional 1″ height on cheek rest
    • Easy to add a Luth-AR Butt Plate Assembly or 3-Axis Butt Plate Assembly: The assemblies will add an additional 1 1/16″ length of pull with extended length buttplate
    • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
    • Certain after Market Commercial Buffer Tubes that exceed 1.1172″ diameter may not fit
    • Caution: the MBA-3 and MBA-4 Carbine buttstocks are not designed to be used with Large Bore Calibers such as .338 Lapua or .50 BMG applications. See our MBA-1 and MBA-2 Rifle buttstocks as alternatives
    • The MBA-4 Carbine buttstock is NOT interchangeable with A2 standard buffer tube. You will need to purchase a MBA-1 or MBA-2 Rifle buttstock to fit A2 tubes 

    Features

    • Picatinny Rail
    • Revolutionary Anti-Rattle Set Screw

    Compatible Buffer Assemblies:

    • .223 Mil-Spec Carbine Buffer Assembly
    • .223 Commercial Carbine Buffer Assembly
    • .308 Mil-Spec Carbine Buffer Assembly
    • .308 Commercial Carbine Buffer Assembly
  • MBA-5 features:
    • 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*
    • Anti-Rattle Clamp
    • Rubber Buttpad
    • High-Strength Glass-filled Nylon
    • Length-of-pull: 11.5” collapsed, 14.5” extended
    • Weight: 8.95 oz
    • Fits either Mil-Spec or Commercial carbine buffer    tubes, .233 Rem/5.56mm or .308 Win/7.62mm
  • Features:
    • Integrated trigger guard for higher strength
    • Flared mag well for faster mag changes.
    • Will work with any standard AR-15 upper
    • Billet 7075 T6 Aluminum Alloy
    • Black hard coat anodized (MIL-A-8625 Type III Class 2)
    • 10 oz
    • Available in vibrant anodized and Cerakote colors as unique as its shooter
    FFL Required, only shipped to FFL license holders.
  • Highlights
    • Designed for the Ultimate In AR Performance
    • HIPERFIRE®’s Most Popular Trigger
    • Virtually No Take-Up/Pre-Travel
    • Very Smooth
    Bonus Benefits
    • Cam-Over Toggle Engine™
      • Very Hard Hitting Hammer
      • Soft-Start Lock-Up™ for Pre-Ignition Stability
      • You-Adjust Pull Weights of 2½ and 3½ lbs.
    • Straight Trigger Bow
    • HIPERSHOE® Finger Pad Revolution™
      • Changes the Trigger Lever Length for Fine Weight Adjustment
      • Changes the Trigger Lever Length to Further Adjust Pre-Travel
      • Position Your Finger in the Same Place Every Time
      • Reduces the Perception of Trigger Weight Still Further
    Standard Benefits
    • Semi-Auto Single-Stage
    • Crisp, Clean, Trigger Break
    • Very Short Over-Travel
    • Very, Positive Reset You Can Feel and Hear