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Receivers & Upper Parts

Receivers & Upper Parts in Hopkinton, MA

Find complete uppers and non-serialized receiver components for sale from trusted sellers, ideal for rifle builds and upgrades.

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Outside Your Search Radius

AR-15 Magazine Quick Change Adapter Block 9mm

AR-15 Magazine Quick Change Adapter Block 9mm

Receivers & Upper Parts

$81

Mc Kinney, TX

Bolt Action Magazine Well Standard for Hunter 700L Black

Bolt Action Magazine Well Standard for Hunter 700L Black

Receivers & Upper Parts

$88

Mc Kinney, TX

.300 WM 5 Rd LA Floor Plate & Magazine Kit

.300 WM 5 Rd LA Floor Plate & Magazine Kit

Receivers & Upper Parts

$87

Mc Kinney, TX

MK12 MOD 0 SPR Gen III 5.56mm 18" BBL 1-8 Twist Upper Black

MK12 MOD 0 SPR Gen III 5.56mm 18" BBL 1-8 Twist Upper Black

Receivers & Upper Parts

$1,880

Garland, TX

MCR Dual-Feed Upper Picatinny 12.5in Dry Film

MCR Dual-Feed Upper Picatinny 12.5in Dry Film

Receivers & Upper Parts

$7,700

Garland, TX

MK12 MOD 0 SPR Gen III 5.56mm 18" BBL 1-8 Twist Upper FDE

MK12 MOD 0 SPR Gen III 5.56mm 18" BBL 1-8 Twist Upper FDE

Receivers & Upper Parts

$1,902

Garland, TX

MK12 MOD 0 SPR Gen II 5.56mm 18" BBL 1-7 Twist Upper FDE

MK12 MOD 0 SPR Gen II 5.56mm 18" BBL 1-7 Twist Upper FDE

Receivers & Upper Parts

$1,955

Garland, TX

MK12 SPR 18" 5.56mm NATO 1-7 12" DDM4 Rail Upper

MK12 SPR 18" 5.56mm NATO 1-7 12" DDM4 Rail Upper

Receivers & Upper Parts

$1,989

Frisco, TX

MCR DUAL-FEED UPPER MLOK

MCR DUAL-FEED UPPER MLOK

Receivers & Upper Parts

$7,040

Frisco, TX

EBRv2/308 Extended Bolt Release

EBRv2/308 Extended Bolt Release

Receivers & Upper Parts

$66

Plano, TX

.22-250 Rem 5 Rd SA Floor Plate & Magazine Kit

.22-250 Rem 5 Rd SA Floor Plate & Magazine Kit

Receivers & Upper Parts

$76

Plano, TX

.338/7mm 5 Rd LA Floor Plate & Magazine Kit

.338/7mm 5 Rd LA Floor Plate & Magazine Kit

Receivers & Upper Parts

$76

Plano, TX