Parts for Lower Receivers

  • 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.
  • Includes:
    • 1 Heavy Duty Push Button Swivel
    • 1 Threaded Cup
    • 1 Installation Tool
    Specs on the Swivel:
    • The Grovetec sling swivel will fit a 1 – 1 1/4 inch width sling.
    • The width of the oval loop on the sling swivel is 1 1/4 inch.
  • Highlights
    • HIPERGRIP™ T, High Performance MSR Pistol Grip
    • Truly Ergonomic for Superior Rifle Control
    • Black, Scuffed Surface Texture for Grip Traction
    Ergonomic Benefits
    • Natural Pointer
    • Ensures Stable/Correct Anatomical Wrist Structure
    • Trigger Finger Placement Is Natural and Relaxed
    • Hands Clasping Arches Are Fully Engaged for Control
    • Grip Pressure Is Firm and Uniform w/ Less Effort
    Standard Benefits
    • Fits AR15/10 M4/16 Form Factors
    • Safety/Selector Protected by Ridges
    • Ambi Safety/Selector Ready
    • User Modifiable Shape Using Abrasive Tools
    • Kit Includes Grip Screw and Washer
  • Product Description

    • Light weight stock to mount to a rifle (A2 Round Standard Tube)
    • Fits .223 and .308 AR style rifles
    • Super Strong Glass Filled Nylon
    • Comes with A2 Buttstock screw to connect to A2 standard buffer tube
    • Incorporates Castle Nut and Lock Ring in the design
    • 21st century look
    • Ergonomic
    • Easy to replace and quick to install

    Features

    • 0.7 lbs Buttstock for the AR
    • 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
    • Interchangeable with standard A2 or A1 buttstocks or any aftermarket buttstock with overall length of approximately 10.5″
    • NOT interchangeable with carbine/collapsable rifles with telescoping assemblies (6-position tubes). You will need to purchase a MBA-3 or MBA-4 to fit these carbine tubes 

    Compatible Buffer Assemblies:

    • .223 Rifle Buffer Assembly
    • .308 Rifle Buffer Assembly
  • 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
  • Highlights
    • Significant AR Upgrade
    • MIL Upgrade, LE/SWAT, Personal Utility
    • Single Stage Semi-Auto
    Bonus Benefits
    • Radical Sear Mechanics™
      • Medium Weights, 4½ and 5½ lb. Pulls
      • Smooth
      • Accurate
    • Heavy, SwingFast Hammer Head™
      • Faster Lock-Up
      • More Accurate
    • Duplex Trigger Bow™
      • High Position: Safety Under Duress
      • Low Position: Tactical Precision
    • MIL++ Heavy Duty Hammer Springs
      • Very Hard Hammer Strikes
      • High Power Touch Off for Ultimate Accuracy
      • Yet, Medium Pull Weights
    Standard Benefits
    • Crisp, Clean, Trigger Break
    • Very Short Over-Travel
    • Very, Positive Reset You Can Feel and Hear
  • Highlights
    • Significant AR Upgrade
    • MIL Upgrade, LE/SWAT, Personal Utility
    • Single Stage Semi-Auto
    Bonus Benefits
    • Radical Sear Mechanics™
      • Medium Weights, 4½ and 5½ lb. Pulls
      • Smooth
      • Accurate
    • SwingFast Hammer Head™
      • Faster Lock-Up
      • More Accurate
    • MIL++ Heavy Duty Hammer Springs
      • Very Hard Hammer Strikes
      • High Power Touch Off for Ultimate Accuracy
      • Yet, Medium Pull Weights
    • Curved Trigger with a Backbone™
    Standard Benefits
    • Crisp, Clean, Trigger Break
    • Very Short Over-Travel
    • Very, Positive Reset You Can Feel and Hear
  • MBA-1 Rifle Buttstock

    $139.95 $131.55

    Product Description

    • Fully Adjustable Buttstock assembly to mount to a rifle (A2 Round Standard Tube)
    • Additional 1″ height on cheek rest
    • Additional 1 1/16″ length of pull with extended length buttplate
    • Approximately half the weight of competitors’ adjustable stocks The “MBA” weighs just 1.26 lbs.
    • Fits .223 and .308 AR style rifles
    • Super Strong Glass Filled Nylon
    • Comes with A1 Buttstock screw to connect to A2 standard buffer tube
    • Incorporates Castle Nut and Lock Ring in the design
    • Easy to replace and quick to install

    Features

    • Modular buttstock assembly for the AR
    • Interchangeable with standard A1 or A2 buttstocks or any aftermarket buttstock with overall length of approximately 10.5″
    • Fully Ambidextrous and can be comfortably used shooting off either shoulder (Cheek piece pre-installed for right handed shooters but can be installed on either side for right or left hand shooters)
    • Cheek piece not only moves up and down, it also moves back and forth on the stock
    • NOT interchangeable with carbine/collapsable rifles with telescoping assemblies (6-position tubes). You will need to purchase a MBA-3 or MBA-4 to fit these carbine tubes 

    Compatible Buffer Assemblies:

    • .223 Rifle Buffer Assembly (A2 Round Standard Tube)
    • .308 Rifle Buffer Assembly (A2 Round Standard Tube)
  • JPSCS2-15

    $139.95 $132.95
    JP Enterprises GEN 2 Silent Captured Spring (patented) for AR-15-type rifles:
    • Standard Version
    • Includes spacer to allow for installation in both carbine- and rifle-length buffer tubes.
  • Product Description

    • Fully Adjustable Carbine Buttstock assembly to mount to a carbine rifle (6-positions mil-spec or commercial tube)
    • Additional 1″ height on cheek rest
    • 3-axis Adjustable Butt Plate Assembly extends additional 1 1/16″ length of pull and includes the following movement:
      1. Horizontal for linear adjustment (i.e. length of pull)
      2. Vertical for a perfect butt plate fit into the curvature of the shoulder.
      3. Lateral adjustment for a ½ inch left or right cast
      4. This butt plate assembly is interchangeable with the original MBA-1 Buttstock
    • Includes a Picatinny Rail on the bottom rear of the Stock Body to attach your choice of many accessories.
    • Designed a flat bottom index set screw (10-24) to eliminate that constant rattle of carbine collapsible buttstock. This also allows you to secure the stock in your favorite position.
    • The Black MBA-3 comes with a  medium soft rubber recoil pad, Duro 85.
    • The Luth-AR MBA-3 weighs roughly half that of comparable stocks coming in at just 18.5 ounces.
    • Fits all .223 and most .308 AR carbine style rifles
    • Super Strong Glass Filled Nylon
    • Easy to replace and quick to install
    • Uses 4 out of the 6 positions on a mil-spec or commercial tube

    Features

    • Ergonomic
    • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
    • Certain after Market Commercial Buffer Tubes that exceed  1.172″ diameter, may not fit
    • The vertical struts for the MBA-3 are fixed, therefore the cheek piece is not reversible like the MBA-1 however the cheek piece itself is designed with a cheek pad for left-handed use
    • 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-3 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 

    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