Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

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Semi Auto Rifles

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AR15s, AR10s & Hunting Rifles - 125 Semi-Auto Rifles

Semi-automatic rifles are a popular choice for home defense, tactical operations, and range shooting.  Enthusiasts enjoy customizing AR15s, AR10s, and even traditional semi-auto rifles.

Our line of 125 Semi-Auto Rifles includes Brownells own BRN line of rifles. Also, it contains semi-auto calibers like the 5.56x45 NATO, 22 Long Rifle, 9mm Luger, 7.62x39mm, 6.5 Creedmoor and many others for hunting, target practice, tactical operations, and home defense.

Read the 4.7 Ratings out of 117 Reviews from verified buyers to help find the right semi-auto rifle to suit your needs and save Up To 37% Off on high-performance rifles. View all 495 Rifles at Brownells.

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DANIEL DEFENSE - DD5 V3 7.62x51/.308 Win 16" bbl 20rd DANIEL DEFENSE - DD5 V3 7.62x51/.308 Win 16" bbl 20rd
5 Stars
(5.0)
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DANIEL DEFENSE - DD4 RIII 5.56MM RIFLE DANIEL DEFENSE - DD4 RIII 5.56MM RIFLE
5 Stars
(5.0)
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DANIEL DEFENSE - DDM4A1 14.5IN 5.56X45MM NATO MATTE BLACK 32+1RD DANIEL DEFENSE - DDM4A1 14.5IN 5.56X45MM NATO MATTE BLACK 32+1RD
5 Stars
(5.0)
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RISE ARMAMENT - WATCHMAN XR 22 ARC SEMI-AUTO RIFLE RISE ARMAMENT - WATCHMAN XR 22 ARC SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,899.00

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DANIEL DEFENSE - M4V7 CARBINE 5.56 16" BROWN DANIEL DEFENSE - M4V7 CARBINE 5.56 16" BROWN
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SPRINGFIELD ARMORY - M1A SOCOM 16IN 308 WIN APERTURE REAR W/NITE SITE POST 10+1RD SPRINGFIELD ARMORY - M1A SOCOM 16IN 308 WIN APERTURE REAR W/NITE SITE POST 10+1RD
5 Stars
(5.0)

$1,789.99

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SPRINGFIELD ARMORY - M1A LOADED 308 WINCHESTER SEMI-AUTO RIFLE SPRINGFIELD ARMORY - M1A LOADED 308 WINCHESTER SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,659.00 - $1,789.00

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SPRINGFIELD ARMORY - SAINT EDGE ATC ELITE 223 WYLDE RIFLE SPRINGFIELD ARMORY - SAINT EDGE ATC ELITE 223 WYLDE RIFLE
5 Stars
(5.0)

$1,784.99

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SPRINGFIELD ARMORY - HELLION BULLPUP 5.56X45 NATO SEMI-AUTO RIFLE SPRINGFIELD ARMORY - HELLION BULLPUP 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,699.99 - $1,769.99

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BRAVO COMPANY - RECCE-16 16IN 5.56X45MM NATO BLACK 30+1RD BRAVO COMPANY - RECCE-16 16IN 5.56X45MM NATO BLACK 30+1RD
5 Stars
(5.0)

$1,560.00

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SIG SAUER, INC. - M400 SDI XSERIES 5.56X45 NATO SEMI-AUTO RIFLE SIG SAUER, INC. - M400 SDI XSERIES 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,499.99

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FRANKLIN ARMORY - F17-X 17 WSM SEMI-AUTO RIFLE FRANKLIN ARMORY - F17-X 17 WSM SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,340.99

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Product badge SMITH & WESSON - M&P 15 VOLUNTEER XV DMR 6MM ARC SEMI-AUTO RIFLE SMITH & WESSON - M&P 15 VOLUNTEER XV DMR 6MM ARC SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,299.99

$1,399.99

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COLT - M4 CARBINE 7.62X39MM SEMI-AUTO RIFLE COLT - M4 CARBINE 7.62X39MM SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,159.99

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SMITH & WESSON - M&P 10 SPORT 308 WINCHESTER SEMI-AUTO RIFLE SMITH & WESSON - M&P 10 SPORT 308 WINCHESTER SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,089.99

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SPRINGFIELD ARMORY - SA-16 A2 5.56X45 NATO SEMI-AUTO RIFLE SPRINGFIELD ARMORY - SA-16 A2 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,069.99

In stock
ZASTAVA ARMS USA - ZPAPM70 7.62x39MM SEMI-AUTO RIFLE ZASTAVA ARMS USA - ZPAPM70 7.62x39MM SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,062.99

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SPRINGFIELD ARMORY - SAINT VICTOR 5.56X45 NATO SEMI-AUTO RIFLE SPRINGFIELD ARMORY - SAINT VICTOR 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$986.99 - $1,029.99

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RUGER - SFAR 7.62 NATO/308 WINCHESTER SEMI-AUTO RIFLE RUGER - SFAR 7.62 NATO/308 WINCHESTER SEMI-AUTO RIFLE
5 Stars
(5.0)

$979.99 - $1,012.99

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COLT - M4 CARBINE 5.56MM NATO/223 REMINGTON RIFLE COLT - M4 CARBINE 5.56MM NATO/223 REMINGTON RIFLE
5 Stars
(5.0)

$999.99

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RUGER - AR-556® MPR 5.56X45 NATO SEMI-AUTO RIFLE RUGER - AR-556® MPR 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$849.99 - $897.99

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HENRY REPEATING ARMS - HOMESTEADER 9MM LUGER CARBINE SEMI-AUTO RIFLE HENRY REPEATING ARMS - HOMESTEADER 9MM LUGER CARBINE SEMI-AUTO RIFLE
5 Stars
(5.0)

$769.99 - $884.99

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SPRINGFIELD ARMORY - SAINT B5 5.56 SPRINGFIELD ARMORY - SAINT B5 5.56
5 Stars
(5.0)

$876.99

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RUGER - LC CARBINE 5.7X28MM SEMI-AUTO RIFLE RUGER - LC CARBINE 5.7X28MM SEMI-AUTO RIFLE
5 Stars
(5.0)

$749.99 - $799.00

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SMITH & WESSON - RESPONSE 9MM LUGER SEMI-AUTO RIFLE SMITH & WESSON - RESPONSE 9MM LUGER SEMI-AUTO RIFLE
5 Stars
(5.0)

$699.00

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SMITH & WESSON - M&P FPC 9MM LUGER SEMI-AUTO RIFLE SMITH & WESSON - M&P FPC 9MM LUGER SEMI-AUTO RIFLE
5 Stars
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RUGER - PC CARBINE STANDARD 9MM LUGER SEMI-AUTO RIFLE RUGER - PC CARBINE STANDARD 9MM LUGER SEMI-AUTO RIFLE
5 Stars
(5.0)

$599.99

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SMITH & WESSON - M&P 15-22 SPORT MOE SL 22 LONG RIFLE SEMI-AUTO RIFLE SMITH & WESSON - M&P 15-22 SPORT MOE SL 22 LONG RIFLE SEMI-AUTO RIFLE
5 Stars
(5.0)

$489.99

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SMITH & WESSON - M&P 15-22 SPORT 22 LONG RIFLE SEMI-AUTO RIFLE SMITH & WESSON - M&P 15-22 SPORT 22 LONG RIFLE SEMI-AUTO RIFLE
5 Stars
(5.0)

$429.99 - $489.99

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RUGER - 10/22 CARBINE 22 LONG RIFLE SEMI-AUTO RIFLE RUGER - 10/22 CARBINE 22 LONG RIFLE SEMI-AUTO RIFLE
5 Stars
(5.0)

$199.99 - $379.99

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HENRY REPEATING ARMS - U.S. SURVIVAL RIFLE 22 LONG RIFLE SEMI-AUTO RIFLE HENRY REPEATING ARMS - U.S. SURVIVAL RIFLE 22 LONG RIFLE SEMI-AUTO RIFLE
5 Stars
(5.0)

$289.99

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HIGH POINT PRODUCTS - 9TS carbine (target stock) HIGH POINT PRODUCTS - 9TS carbine (target stock)
5 Stars
(5.0)

$289.99

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Products:   –   of 200