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Semi Auto Rifles

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AR15s, AR10s & Hunting Rifles - 77 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 77 Semi-Auto Rifles includes Brownells own BRN line of rifles. Also, it contains semi-auto calibers like the 5.56x45 NATO, 22 Long Rifle, 7.62x39mm, 9mm Luger, 7.62x51 NATO and many others for hunting, target practice, tactical operations, and home defense.

Read the 4.6 Ratings out of 101 Reviews from verified buyers to help find the right semi-auto rifle to suit your needs and save Save Up To $58.00 on high-performance rifles. View all 367 Rifles at Brownells.

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

$1,101.99

$1,159.99

Online Only - In stock
PRIMARY WEAPONS - MK116 MOD 2-M 223 WYLDE SEMI-AUTO RIFLE PRIMARY WEAPONS - MK116 MOD 2-M 223 WYLDE SEMI-AUTO RIFLE
5 Stars
(0.0)

$2,199.95

Online Only - In stock
LMT DEFENSE - MARS-H 7.62X51 NATO SEMI-AUTO RIFLE LMT DEFENSE - MARS-H 7.62X51 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$3,537.00

Online Only - In stock
LMT DEFENSE - MARS-L MRP 5.56X45 NATO SEMI-AUTO RIFLE LMT DEFENSE - MARS-L MRP 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$2,701.80

Online Only - In stock
SIG SAUER, INC. - MCX SPEAR-LT IR 5.56X45 NATO SEMI-AUTO RIFLE SIG SAUER, INC. - MCX SPEAR-LT IR 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$2,599.99

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

$1,019.70

Online Only - In stock
SIG SAUER, INC. - 516 G3 BRONZE 5.56 NATO SEMI-AUTO RIFLE SIG SAUER, INC. - 516 G3 BRONZE 5.56 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$2,099.99

Online Only - In stock
COLT - MSR 5.56MM NATO/223 REMINGTON RIFLE COLT - MSR 5.56MM NATO/223 REMINGTON RIFLE
5 Stars
(4.0)

$1,170.40

Online Only - In stock
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

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

$706.99 - $885.99

Online Only - In stock
SMITH & WESSON - M&P 15 SPORT III 5.56X45 NATO SEMI-AUTO RIFLE SMITH & WESSON - M&P 15 SPORT III 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$699.00

Online Only - In stock
Product badge BERGARA - BXR 22LR CHROMOLY BERGARA - BXR 22LR CHROMOLY
5 Stars
(3.7)
Add to cart to see price

Online Only - In stock
SMITH & WESSON - M&P FPC 9MM LUGER SEMI-AUTO RIFLE SMITH & WESSON - M&P FPC 9MM LUGER SEMI-AUTO RIFLE
5 Stars
(5.0)
Add to cart to see price

Online Only - In stock
SMITH & WESSON - M&P 15-22 SPORT 22 LONG RIFLE SEMI-AUTO RIFLE WITH RED/GREEN DOT SMITH & WESSON - M&P 15-22 SPORT 22 LONG RIFLE SEMI-AUTO RIFLE WITH RED/GREEN DOT
5 Stars
(4.0)

$449.99

Online Only - In stock
RUGER - 10/22 CARBINE MOE X-22 STOCK 22 LONG RIFLE SEMI-AUTO RIFLE RUGER - 10/22 CARBINE MOE X-22 STOCK 22 LONG RIFLE SEMI-AUTO RIFLE
5 Stars
(0.0)

$299.99 - $379.00

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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)

$277.99

Online Only - In stock
RUGER - PC CARBINE TACTICAL 9MM LUGER SEMI-AUTO RIFLE RUGER - PC CARBINE TACTICAL 9MM LUGER SEMI-AUTO RIFLE
5 Stars
(3.8)

$669.99 - $796.99

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GEISSELE AUTOMATICS LLC - SUPER DUTY MOD1 5.56X45 NATO SEMI-AUTO RIFLE GEISSELE AUTOMATICS LLC - SUPER DUTY MOD1 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(3.5)

$2,125.00 - $2,375.00

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BRAVO COMPANY - RECCE-18 MCMR 5.56 BRAVO COMPANY - RECCE-18 MCMR 5.56
5 Stars
(4.0)

$1,960.00

Online Only - In stock
SPRINGFIELD ARMORY - SA-16 A2 5.56X45 NATO SEMI-AUTO RIFLE SPRINGFIELD ARMORY - SA-16 A2 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(3.0)

$1,079.99

Online Only - In stock
COLT - M4 CARBINE OEM 223 REMINGTON/5.56 SEMI-AUTO RIFLE COLT - M4 CARBINE OEM 223 REMINGTON/5.56 SEMI-AUTO RIFLE
5 Stars
(3.5)

$909.99

Online Only - In stock
HAMMERELI ARMS - FORCE B1 22 LONG RIFLE STRAIGHT PULL BOLT ACTION RIFLE HAMMERELI ARMS - FORCE B1 22 LONG RIFLE STRAIGHT PULL BOLT ACTION RIFLE
5 Stars
(3.5)

$561.99 - $691.99

Online Only - In stock
SMITH & WESSON - M&P FPC 10MM AUTO SEMI-AUTO RIFLE SMITH & WESSON - M&P FPC 10MM AUTO SEMI-AUTO RIFLE
5 Stars
(2.5)

$629.99

Online Only - In stock
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 - $499.99

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SIG SAUER, INC. - MCX-SPEAR 6.8X51MM SEMI-AUTO RIFLE SIG SAUER, INC. - MCX-SPEAR 6.8X51MM SEMI-AUTO RIFLE
5 Stars
(5.0)

$4,199.99

Online Only - In stock
COLT - M4A1 CARBINE SOCOM 5.56X45 NATO SEMI-AUTO RIFLE COLT - M4A1 CARBINE SOCOM 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,536.70

Online Only - In stock
SMITH & WESSON - M&P15 AXE SBR 5.56X45 NATO SEMI-AUTO RIFLE SMITH & WESSON - M&P15 AXE SBR 5.56X45 NATO SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,459.00 - $1,479.00

Online Only - In stock
ZASTAVA ARMS USA - ZPAPM70 7.62X39MM SEMI-AUTO RIFLE ZASTAVA ARMS USA - ZPAPM70 7.62X39MM SEMI-AUTO RIFLE
5 Stars
(5.0)

$1,286.99 - $1,433.99

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

$1,159.99

Select Items In Stock
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

Online Only - In stock
LMT DEFENSE - L129A1 REFERENCE 7.62X51 NATO SEMI-AUTO RIFLE LMT DEFENSE - L129A1 REFERENCE 7.62X51 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$4,476.60

Online Only - In stock
LMT DEFENSE - MARS-H BATTLE RIFLE 7.62X51 NATO SEMI-AUTO RIFLE LMT DEFENSE - MARS-H BATTLE RIFLE 7.62X51 NATO SEMI-AUTO RIFLE
5 Stars
(0.0)

$3,537.00

Online Only - In stock
Products:  1  –  32  of 180