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ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver Up to 13% Off w/ Free Shipping — 8 models

ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, White, ARPK762-ML4-STW
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Sniper Grey, ARPK762-ML4-SG
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Flat Dark Earth, ARPK762-ML4-FDE
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Bronze, ARPK762-ML4-BB
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Red, ARPK762-ML4-RD
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Olive Drab Green, ARPK762-ML4-ODG
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Tungsten, ARPK762-ML4-TNG
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Black, ARPK762-ML4
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, White, ARPK762-ML4-STW
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ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, White, ARPK762-ML4-STW
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Sniper Grey, ARPK762-ML4-SG
2 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Sniper Grey, ARPK762-ML4-SG
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Flat Dark Earth, ARPK762-ML4-FDE
3 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Flat Dark Earth, ARPK762-ML4-FDE
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Bronze, ARPK762-ML4-BB
4 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Bronze, ARPK762-ML4-BB
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Red, ARPK762-ML4-RD
5 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Red, ARPK762-ML4-RD
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Olive Drab Green, ARPK762-ML4-ODG
6 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Olive Drab Green, ARPK762-ML4-ODG
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Tungsten, ARPK762-ML4-TNG
7 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Tungsten, ARPK762-ML4-TNG
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Black, ARPK762-ML4
8 of 8 images
ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Black, ARPK762-ML4

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Questions & Answers
Is this a complete kit?

This AR pistol kit will included everything you need except for a striped lower receiver.

by Howard Nisbet, Verified Owner, March 30, 2026
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Product Info for ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver

This AR pistol build kit combines durability and power with a 7075-T6 mil-spec forged aluminum upper receiver and a compact 4in MLOK handguard from ABC Rifle Co, made from 6061-T6 aluminum. It features a 5in 4150 CMV barrel chambered in 7.62x39mm with a 1:5 twist for improved stability and energy. A .750 low-profile steel gas block and 5 3/16in stainless steel micro gas tube support reliable short-barrel cycling. A 5/8x24 aluminum flash can directs blast forward for enhanced control. Includes a full-auto rated nitride BCG with 9310 bolt, mil-spec charging handle, forward assist, and ejection port cover. Comes with a buffer kit and A2 pistol grip. Lower receiver not included.image

Specifications for ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver:

Manufacturer: ABC RIFLE COMPANY
Caliber: 7.62x39mm
Barrel Length: 5 in
Barrel Twist Rate: 1-10
Firearms Threads Per Inch: 5/8x24
Muzzle Device: Muzzle Diverter Flash Can
Fabric/Material: 6061 Aluminum
Handguard Length: 4 in
Gun Rail: M-LOK
Gun Type: Rifle
Gun Make: AR Platform
Gun Model: AR-15
Barrel Material: Steel
Bolt Carrier Group Included: MIL-SPEC
Charging Handle Included: MIL-SPEC

Package Contents:

  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver

What firearm models does the manufacturer say ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver is compatible with?

The manufacturer suggests that ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver is compatible with AR-15

ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver Orderable Models

List of Orderable Models

  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, White, ARPK762-ML4-STW , MPN: ARPK762-ML4-STW , Code: 69B-URC-ABC03RP-ARPK762-ML4-STW
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Sniper Grey, ARPK762-ML4-SG , MPN: ARPK762-ML4-SG , Code: 69B-URC-ABC03RP-ARPK762-ML4-SG
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Flat Dark Earth, ARPK762-ML4-FDE , MPN: ARPK762-ML4-FDE , Code: 69B-URC-ABC03RP-ARPK762-ML4-FDE
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Bronze, ARPK762-ML4-BB , MPN: ARPK762-ML4-BB , Code: 69B-URC-ABC03RP-ARPK762-ML4-BB
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Red, ARPK762-ML4-RD , MPN: ARPK762-ML4-RD , Code: 69B-URC-ABC03RP-ARPK762-ML4-RD
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Tungsten, ARPK762-ML4-TNG , MPN: ARPK762-ML4-TNG , Code: 69B-URC-ABC03RP-ARPK762-ML4-TNG
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Black, ARPK762-ML4 , MPN: ARPK762-ML4 , Code: 69B-URC-ABC03RP-ARPK762-ML4
  • ABC RIFLE COMPANY AR-15 7.62x39mm Micro Pistol Build 5in Barrel 4in M-LOK Handguard Upper Receiver, Olive Drab Green, ARPK762-ML4-ODG , MPN: ARPK762-ML4-ODG , Code: 69B-URC-ABC03RP-ARPK762-ML4-ODG
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