Stern Defense SD AR15 Barrel .45acp 16.1in Black ACPBRLINCHD2

Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver M-Lok Complete - Sd Mod 4 9mm Upper Receiver 16.1in

The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 16.1 inch, 1-10 twist, Melonited barrel, is free float in a 12in M-LOK handguard... ... more

Stern Defense Ar-15 Sd-Bu45 Bolt Carrier .45acp Black

Having a .45 ACP pistol-caliber carbine requires the use of a bolt that's designed to provide reliable operation with the round, and the Stern Defense AR-15 SD-BU45 Bolt Carrier is purpose-built to provide the reliable, dependable, durable operation... ... more

Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver 4in M-Lok Complete - Sd Mod 4 9mm Upper Receiver 4in

The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 4 inch, 1-10 twist, Melonited barrel, is free float in a 4in M-LOK handguard... ... more

Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK

Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK. The free float M-LOKhandguard from Stern Defense offers excellent ergonomics while remaining lightweight and... ... more

Stern Defense SD BU40 Bolt Carrier for AR15/M16 Black 004-SD BU40-D2-M

Stern Defense SD BU40 Bolt Carrier for AR15/M16 Black 004-SD BU40-D2-M. These Bolt Carrier Groups made by Stern Defense are built out of 8620 AISI steel and Mag-Phosphate finished to ensure a strong reliable part that will withstand repeated firings... ... more

Stern Defense SD AR15 Barrel 9mm 161in Black BRLINCHD2

Stern Defense SD AR15 Barrel 9mm 161in Black BRLINCHD2. Our barrels offer an advantage over the competition. Every stern defense barrel throat is machined deeper for a longer free bore to accommodate bullets with a longer ogive. We have found that some... ... more

Stern Defense SD MOD4 M-Lok Handguards 8in Black 002-SD HG8 MOD4-M

Stern Defense SD MOD4 M-Lok Handguards 8in Black 002-SD HG8 MOD4-M. This handguard is M-LOK compatible to accept your favorite attachments. Features a secure clamp on mounting system that ensures that the handguard remains in place even under heavy... ... more

Stern Defense SD 8.5in MOD5 .40SW Upper Receiver Assembly 10in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD10INMD5ML8.5INBR40SWKK

Stern Defense SD 8.5in MOD5 .40SW Upper Receiver Assembly 10in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD10INMD5ML8.5INBR40SWKK. The free float MLOK handguard from Stern Defense offers excellent ergonomics while remaining lightweight and... ... more

Stern Defense SD 4in MOD4 .40SW Upper Receiver Assembly 4in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD4INMD4ML4INBR40SWKK

Stern Defense SD 4in MOD4 .40SW Upper Receiver Assembly 4in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD4INMD4ML4INBR40SWKK. The free float Mlok handguard from Stern Defense offers excellent ergonomics while remaining lightweight and strong.... ... more

Stern Defense RAB-AD Series Rapid Attach Buttstock Adapter Black 008-SD RAB-AD-D1-M

Stern Defense RAB-AD Series Rapid Attach Buttstock Adapter Black 008-SD RAB-AD-D1-M. These AR15 Stocks allow you to quickly attach and detach the buttstock of your rifle drastically altering the overall length. You can use the Stern Defense RAB-AD... ... more

Stern Defense SD FH9 MOD1 Muzzle Device Black 03-SD FH9-MOD1-M

Stern Defense SD FH9 MOD1 Muzzle Device Black 03-SD FH9-MOD1-M. Manufactured to the highest quality standards right here in the U.S.A. Full auto tested to ensure reliability and function under sustained fire. The helical right handed 1:6 twist design... ... more

TRYBE Defense AR15 Rifle Barrel .223 Wylde 18in Medium Profile 1-8 Twist 1/2x28 Thread Black BARRIF18223

TRYBE Defense AR15 Rifle Barrel .223 Wylde 18in Medium Profile 1-8 Twist 1/2x28 Thread Black BARRIF18223. This 18" barrel chambered in .223 Wylde boasts a beautiful medium contour barrel profile and is milled from 4150 Chrome Moly Vanadium Steel.... ... more

Stern Defense SD MOD5 M-lok Handguards 8in Black 002-SD HG8 MOD5-M

Stern Defense SD MOD5 M-lok Handguards 8in Black 002-SD HG8 MOD5-M. This rail by Stern Defense utilizes M-LOK technology and features the "Insert now Attach Later" feature. The benefits of a short rail are that you get a very slim profile and greater... ... more

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 300 BLK 14in Hate Brake 5/8-24 Thread 5.5in Barrel Type III Hardcoat Anodized Black

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 300 BLK 14in Hate Brake 5/8-24 Thread 5.5in Barrel Type III Hardcoat Anodized Black. 75 inches with the stock collapsed. These AR15 Upper Receivers are a cut above what you get anywhere else.... ... more

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for a... ... more

Grid Defense Complete Upper Receiver 5.56mm 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR556BLK

Grid Defense Complete Upper Receiver 5.56mm 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR556BLK. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR9MMBLK

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR9MMBLK. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more

DEMO Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter M&P 9mm/.40S&W Black 001-SD MAG-AD-9AND40-M

DEMO Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter M&P 9mm/.40S&W Black 001-SD MAG-AD-9AND40-M. 40 S&W M&P and P320/P250 Magazines The Mag-AD series adapters install in seconds. Boasting a last round hold open feature making... ... more

Stern Defense SD RBC45 Muzzle Device Black 003-SD RBC45-D1-M

Stern Defense SD RBC45 Muzzle Device Black 003-SD RBC45-D1-M. Which is especially helpful on short barreled rifles and pistols. Machined from 6061 aircraft grade aluminum billet and hardcoat anodized. 3.25 inches long and 1.2 inches in diameter.... ... more

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 5.56 NATO 14in Hate Brake 1/2-28 Thread 5.5in Barrel Type III Hardcoat Anodized Black

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 5.56 NATO 14in Hate Brake 1/2-28 Thread 5.5in Barrel Type III Hardcoat Anodized Black. 75 inches with the stock collapsed. These AR15 Upper Receivers are a cut above what you get anywhere... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Black

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Black. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build and... ... more

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 7.62x39 14in Hate Brake 5/8-24 Thread 5.5in Barrel Type III Hardcoat Anodized Black

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 7.62x39 14in Hate Brake 5/8-24 Thread 5.5in Barrel Type III Hardcoat Anodized Black. 75 inches with the stock collapsed. These AR15 Upper Receivers are a cut above what you get anywhere else.... ... more

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 300 BLK 14in Hate Brake 5/8-24 Thread 5.5in Barrel Type III Hardcoat Anodized Arid Earth

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 300 BLK 14in Hate Brake 5/8-24 Thread 5.5in Barrel Type III Hardcoat Anodized Arid Earth. 75 inches with the stock collapsed. These AR15 Upper Receivers are a cut above what you get anywhere... ... more

Stern Defense SD AR15 Barrel 9mm 6in Black BRLINCHD1

Stern Defense SD AR15 Barrel 9mm 6in Black BRLINCHD1. Our barrels offer an advantage over the competition. Every stern defense barrel throat is machined deeper for a longer free bore to accommodate bullets with a longer ogive. We have found that some... ... more

EC Defense Barrel16in SUB MOA Black EC-SUB MOA BLK 16

EC Defense Barrel16in SUB MOA Black EC-SUB MOA BLK 16. . These AR15 Barrels through the skilled product experts at EC Defense are designed by using heavy duty and efficient components to be able to supply you with a product that will be beneficial for... ... more

Stern Defense RAB-AD Rapid Attach Buttstock Adapter for Pic Rail Black 008-SD RAB-AD-PIC RAIL-D1-M

Stern Defense RAB-AD Rapid Attach Buttstock Adapter for Pic Rail Black 008-SD RAB-AD-PIC RAIL-D1-M. It allows for the attachment and removal of your buttstock or pistol brace in seconds. To detach pull the bottom release taband twist counter-clockwise... ... more

New Frontier Armory New Frontier Ar45/10 Match Bbl 4'' 116 .45acp Black

New Frontier Armory New Frontier Ar45/10 Match Bbl 4'' 116 .45acp Black. 45acp Black was developed to be the ideally suited item for anyone needing an outstanding selection.. These AR15 Barrels through the professional product professionals at New... ... more

Daniel Defense DDM4 300 S URG 300 AAC Blackout 1/8 S2W LPG DDM4 Rail 9.0 DDFS Complete Upper Receiver w/ Flash Hider Black 10.3in 23-088-19020-047

Daniel Defense DDM4 300 S URG 300 AAC Blackout 1/8 S2W LPG DDM4 Rail 9.0 DDFS Complete Upper Receiver w/ Flash Hider Black 10.3in 23-088-19020-047. 3-inch barrel with a Strength-to-Weight profile. Daniel Defense produces these AR15 Upper Receivers for... ... more

Stern Defense SD .40SW AR-15 Barrel 6in .578-28 TPI 1-16 Twist Rate Black 006-40SW BR6IN-D1-M

Stern Defense SD .40SW AR-15 Barrel 6in .578-28 TPI 1-16 Twist Rate Black 006-40SW BR6IN-D1-M. 40S&W barrels are ideal for gun lovers who want to build their own custom dedicated .40S&W AR15 upper group. Machined to tight tolerances with quality as a... ... more

Stern Defense SD .40SW AR-15 Barrel 8.5in .578-28 TPI 1-16 Twist Rate Black 006-40SW BR8.5IN-D1-M

Stern Defense SD .40SW AR-15 Barrel 8.5in .578-28 TPI 1-16 Twist Rate Black 006-40SW BR8.5IN-D1-M. 40S&W barrels are ideal for gun lovers who want to build their own custom dedicated .40S&W AR15 upper group. Machined to tight tolerances with quality as... ... more

Stern Defense RAB-AD Male Assembly Black 008-SD RAB-AD MALE-D2-M

Stern Defense RAB-AD Male Assembly Black 008-SD RAB-AD MALE-D2-M. 6 oz Features of Stern Defense RAB-AD Male Assembly Steel internals Hard coat anodized for maximum wear protection Buffer retainer to keep the buffer weight in the tube while... ... more

EC Defense Barrel 16in Fluted Black EC-FLUTED 16

EC Defense Barrel 16in Fluted Black EC-FLUTED 16. . These AR15 Barrels through the skilled product experts at EC Defense are designed by using heavy duty and efficient components to be able to supply you with a product that will be beneficial for many... ... more

Stern Defense Ar-15 Sd Mod 5 9mm Upper Receivers M-Lok Complete - Sd Mod 5 9mm Upper Receiver 8.5in

The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" M-LOK free float handguard, and the 6" barreled upper has an 8" M-LOK free float handguard. To bring... ... more

Stern Defense Ar-15 Sd Mod 5 9mm Upper Receivers M-Lok Complete - Sd Mod 5 9mm Upper Receiver 6in M-

The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" M-LOK free float handguard, and the 6" barreled upper has an 8" M-LOK free float handguard. To bring... ... more

Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Black GD105E9GFR556BLK

Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Black GD105E9GFR556BLK. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for a... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Black

Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Black. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more

New Frontier Armory New Frontier Ar45/10 Match Bbl 8'' 116 .45acp Black

New Frontier Armory New Frontier Ar45/10 Match Bbl 8'' 116 .45acp Black. 45acp Black then you've come to the right spot.. These AR15 Barrels from the expert product experts at New Frontier Armory are made by using heavy duty and reliable materials as a... ... more