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Ar-15/M16 Upper Receiver Action Block - Upper Receiver Action Block

Ar-15/M16 Upper Receiver Action Block - Upper Receiver Action Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective...

at Brownells

Brownells Ar-15/M16 9mm Drop-In Conversion Blocks W/32rd Magazine - 9mm Bottom Loading Conversion W/

Brownells Ar-15/M16 9mm Drop-In Conversion Blocks W/32rd Magazine - 9mm Bottom Loading Conversion W/

Allows for a quick conversion to 9mm in conjunction with a 9mm upper Compatible with colt type 9mm upper receivers Use existing AR-15/M16 lower receiver If used with 100-004-363 9mm bolt carrier, there is no need to swap out the standard hammer,... ... more

Brownells Ar-15/M16 9mm Drop-In Conversion Blocks W/32rd Magazine - 9mm Bottom Loading Conversion W/

Allows for a quick conversion to 9mm in conjunction with a 9mm upper Compatible with colt type 9mm upper receivers Use existing AR-15/M16 lower receiver If used with 100-004-363 9mm bolt carrier, there is no need to swap out the standard hammer,...

Brownells

$239.99

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Brownells Ar-15 Complete Upper Receiver Black Keymod 5.56

Brownells Ar-15 Complete Upper Receiver Black Keymod 5.56

This Brownells' exclusive Complete AR Upper Receiver is chambered in 5.56x45mm NATO and made in the USA. Includes a low profile gas block, bolt carrier group, charging handle, forward assist, ejection port cover and phosphate finish help to complete... ... more

Brownells Ar-15 Complete Upper Receiver Black Keymod 5.56

This Brownells' exclusive Complete AR Upper Receiver is chambered in 5.56x45mm NATO and made in the USA. Includes a low profile gas block, bolt carrier group, charging handle, forward assist, ejection port cover and phosphate finish help to complete...

Brownells

$369.99 $324.99

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Brownells Ar-15/M16 Receiver Taps & Dies - 1-1/4-18 Carbon Steel Die

Brownells Ar-15/M16 Receiver Taps & Dies - 1-1/4-18 Carbon Steel Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... ... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1-1/4-18 Carbon Steel Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver...

Brownells

$39.99

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Brownells Ar-15 Forged Upper W/ Bcg & Charging Handle

Brownells Ar-15 Forged Upper W/ Bcg & Charging Handle

Rock River Arms forged aluminum A4 style upper receiver with ejection port cover and forward assist installed. Features M4 feed ramps. Paired with the Brownells B-TAC Bolt Carrier Group and Brownells Charging Handle. The Complete M16 B-TAC Bolt Carrier... ... more

Brownells Ar-15 Forged Upper W/ Bcg & Charging Handle

Rock River Arms forged aluminum A4 style upper receiver with ejection port cover and forward assist installed. Features M4 feed ramps. Paired with the Brownells B-TAC Bolt Carrier Group and Brownells Charging Handle. The Complete M16 B-TAC Bolt Carrier...

Brownells

$244.99 $199.99

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