Product Description
MCS AR-15 LOWER COMBO KIT - AMBIDEXTROUS SAFETY SELECTOR + SPECIAL OPERATIONS STOCK + AR-15 CARBINE BUFFER TUBE KIT + LPK LOWER PARTS KIT
Complete your AR-15 lower with the MCS premium bundle designed for durability, comfort, and enhanced control. This Finish Your Build Kit pairs the lightweight Special Operations adjustable stock with a complete Mil-Spec lower parts kit, Mil-Spec carbine buffer tube assembly, and an ambidextrous safety selector for improved handling by both left- and right-handed shooters. Built around Mil-Spec compatibility, this package provides everything needed to complete the lower receiver while adding modern ergonomics, versatile sling mounting options, and reliable operation for defensive, recreational, or competition-focused rifle builds.
MCS Adjustable Stock
- Glass-filled polymer construction
- Adjustable length of pull
- Rubberized butt pad
- QD sling mount
- Traditional sling loop
- Black finish
MCS Mil-Spec Carbine Buffer Tube Kit
- 6-position carbine buffer tube
- 3 oz carbine buffer
- Carbine recoil spring
- Castle nut
- Receiver end plate
MCS Complete AR-15 Lower Parts Kit
- Black A2 pistol grip
- Pistol grip screw
- Pistol grip lock washer
- Trigger guard
- Trigger guard roll pin
- Standard trigger
- Trigger spring
- Trigger pin
- Hammer
- Hammer spring
- Hammer pin
- Disconnector
- Disconnector spring
- Bolt catch
- Bolt catch spring
- Bolt catch roll pin
- Magazine catch
- Magazine catch button
- Magazine catch spring
- Safety selector spring
- Selector detent
- Front pivot pin
- Pivot pin detent
- Pivot pin detent spring
- Rear takedown pin
- Takedown detent
- Buffer retainer pin
- Buffer retainer spring
MCS Ambidextrous Safety Selector
- Bilateral safety selector
- Smooth engagement mechanism
- Black finish
- AR-15 compatible