AR-15 Upper Parts

Rosco AR15 14.5"  M4 1:7 Twist 5.56 NATO Barrel - With FSB 5.56mm NATO Chamber & Bore 14.5" Length 1:7 Twist Rate M4 Contour 4150CMV Barrel Steel Carbine Length Gas System Threaded 1/2x28 Barrel Extension w/ M4 Feed...

Rosco AR15 16″ Government 1:7 Twist 5.56 NATO Barrel – With FSB 5.56mm NATO Chamber & Bore 16″ Length 1:7 Twist Rate Government Contour 4150CMV Barrel Steel Midlength Gas System Threaded 1/2×28 Barrel...

Rosco Manufacturing Bloodline 16" 300 BLK Heavy 1:8 Twist Black Nitride Pistol Barrel This Rosco 16" 300 Blackout (300 BLK) barrel is perfectly suited for carbines shooters that plan on running only supersonic ammo, or are building a well-balanced...

This Rosco 8.2" 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. This is the shortest that we will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing...

The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most...

Rosco Manufacturing K9 12.5" 5.56 Hybrid 1:7 Twist Black Nitride Mid-length Barrel Rosco Manufacturing has made a proprietary patrol length gas system to make the dynamics work the best for you on and off the range. This system features an optimized gas...

Rosco Manufacturing K9 13.95" 5.56 Sauce Pack The Rosco "Sauce Pack" bundles were created after direct requests from our customers to provide them with the key components needed for their carbine/ pistol builds at a great combined price. The result is a...

Purebred – 14.5" .223 Wylde Barrel: This Rosco 14.5" .223 Wylde Barrel was built around the M4/DMR platform and is designed to be a precision solution for shooters who require a smaller carbine which will meet multiple criteria. This barrel is...

Rosco Manufacturing Purebred 18 Rifle .223 Wylde Sauce Pack Getting the perfect components to finish your build can sometimes be a pain, especially if you find yourself with parts that you thought should work together that somehow don't when you get...

Rosco Manufacturing Purebred 20 Rifle .223 Wylde Sauce Pack The Rosco “Sauce Pack” bundles were created after direct requests from our customers to provide them with the key components needed for their carbine/ pistol builds at a great...

This Rosco 20″ .223 Wylde Barrel was made to give the precision carbine shooter the best possible option for extended range shooting within this chambering option. Rosco Manufacturing’s “Purebred” series is a testament to...

Rosco Manufacturing Purebred 8.2" 300 BLK Heavy 1:7 Twist Pistol Stainless Barrel Purebred 8.2" 300 Blackout Barrel: This Rosco Purebred 8.2" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. This is the shortest that...

Rubber City Armory 5.56 Bolt Rebuild Kit The Rubber City 5.56 Bolt Rebuild Kit offers the parts you need to repair the worn out parts in your bolt carrier group. The kit includes: three 5.56 gas rings, one extractor, one extractor spring, one extractor...

Sharps Bros. Full Top M-LOK AR 15 Handguard The Sharps Bros. Full Top Rail M-LOK handguard is a one-piece free floating unit that is an attractive, functional upgrade for your AR-15. It features a full length of Picatinny top rail for the addition of...

Sharps Bros. SBUR04 Billet Upper Receiver This Sharps Bros. receiver is meant for .223, 5.56, .224 Valkyrie, 300 BLK and 6.5 Grendel calibers.  Port opening is not large enough for 450 Bushmaster, 458 SOCOM or 50 Beowulf.  Made from...

SilencerCo ASR Muzzle Brake - 7.62MM 1/2x28 The SilencerCo ASR Muzzle Brake - 7.62MM 1/2x28 is a powerful, three-port muzzle brake crafted for superior shooting performance. Designed for compatibility with all SilencerCo ASR Mounts, it presents many...

SilencerCo SCO15 .223/5.56 Stripped Upper Receiver Upgrade your AR-15 with the SilencerCo SCO15 Stripped Upper Receiver, meticulously designed for the discerning firearms enthusiast. Crafted from high-quality billet 7075-T6 aluminum, this receiver...

SLR Rifleworks 8.5" MID M LOK Hand Guard Specifications 8.5" Exact Top Rail Length 8.5" Solo Mid M-LOK Closer fit for Suppressors with 10.3" Barrel ​1.3" ID Gen 4 Mil-Spec Hardcoat Anodize 7075 Barrel nut w/ Hardcoat Anodize Melonite Finish...

SLR Rifleworks Billet Upper SLR 556 The SLR M-15 5.56 Billet Upper Receiver is a precise, high-quality upper receiver that will boost your rifle build by several notches. SLR Machine and Tool designed these AR15 Upper Receivers with Mil-Spec dimensions...

SLR Rifleworks Billet Upper SLR B56 AR15 SLR-B56 Billet Upper Receiver Specifications: Machined in house from 7075 Billet Drilled for SLR ZRO HG dowel pin Works on all AR15 type lowers and accepts all known AR15 HG's Relief for Geissele HG locating set...

SLR Rifleworks Hybrid M LOK Handguard Specifications 16" Exact Top rail length 16" Solo Hybrid -MLOK ​1.3" ID Weight 12.7 oz Gen 4 Mil-Spec Hardcoat Anodize 7075 Barrel nut w/ Hardcoat Anodize Melonite Finish Hardware Free Floating Design Slip fit...

SLR Rifleworks Lite M LOK Handguard SOLO Lite Handguard-MLOK Specifications 16.5" Exact top rail length 16.5" Solo LITE -MLOK Weight 12.8 oz ​1.3" ID Gen 4 Mil-Spec Hardcoat Anodize 7075 Barrel nut w/ Hardcoat Anodize Melonite Finish Hardware Free...

SLR Rifleworks Premium Bolt Carrier Group Black Nitride - 556 Features: Lugs are machined with the proper radius as per true mil-spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure. Outer diameter machined to all...

SLR Rifleworks Premium Bolt Carrier Group Titanium Nitride - 556 Features: Lugs are machined with the proper radius as per true mil-spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure. Outer diameter machined to...

SLR Rifleworks Sentry Adjustable Gas Block Clamp On Specifications:  15-position adjustability from 0 .125" port opening Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver Single tool click...

SLR Rifleworks Sentry Adjustable Gas Block Set Screw Specifications: .400" Set Screw Spacing 1.3 oz US PATENT NO. 9,410,756 15-position adjustability from 0 0.125" port opening Metering screw and screw bore design allows repeatability and reliability...

SLR Rifleworks SLR ION Lite M LOK Handguard ION Lite MLOK Handguard Specifications New Gen 5 1.35" ID 7 Sided Design allows 45deg mounting options 2 Limited Rotation QD's No timing of barrel nut required, no shims needed Works with any receiver forged...

SLR Rifleworks SLR ION Ultra Lite M LOK Handguard ION Ultra Lite MLOK Handguard Specifications New Gen 5 16.0" Exact length 1.35" ID 7 Sided Design allows 45deg mounting options 2 Limited Rotation QD's No timing of barrel nut required, no shims...

SLR Rifleworks SLR Vertical Foregrip - M-LOK Specifications: SLR Vertical Grip Mlok 7075 Billet Aluminim Hardcoat Aluminum Black Hardcoat Anodize Super Rigid Double MLOK blot/nut setup can use single M-lok slot 1.95" Length, .95" Width , 1.37" Depth 1...

SLR Rifleworks SOLO M LOK Handguards SOLO M-LOK Specifications: 16.5" Exact top rail length 16.5" Solo Mid M-LOK Weight 14.4 oz ​1.3" ID Gen 4 Mil-Spec Hardcoat Anodize 7075 Barrel nut w/ Hardcoat Anodize Melonite Finish Hardware Free Floating...

SLR Rifleworks SR22 Muzzle Brake Single Port Brake 1/2x28 Specifications: Single Port Design 416 Stainless Melonite heat treat Awesome performance in a small package, stops muzzle rise completely Proper port and bore size for maximum effectiveness 1...

SLR Rifleworks SR22 Muzzle Brake Dual Port 1/2x28 SR22 Dual Port Brake Specifications: 1/2-28 Threading 5.56 / .223 caliber 416 SS Black Melonite Finish Extreme Muzzle Control 2.3oz 1.88” OAL

SLR Rifleworks SR22 Muzzle Brake Titanium SR22 Muzzle Brake Titanium Specifications: Single Port Brake 1/2x28 Single Port Design Only .7" added to barrel length Awesome performance in a small package, stops muzzle rise completely Proper port and bore...

SLR Rifleworks Synergy BCF 5.56 Synergy BCF 5.56 Specifications: 416 Stainless Steel Melonite QPQ Finish 1/2x28 threading Crush washer included All in one muzzle device- Brake, Compensator and Flash hider OAL: 2.47" Weight: 2.9 oz

SLR Rifleworks Synergy BCF 5.56 - Titanium The Synergy BCF 5.56 Titanium is the one muzzle device that performs the work of a muzzle brake, compensator, and flash hider. Designed to be installed onto .223 / 5.56 caliber firearms that feature a 1/2x28tpi...

SLR Rifleworks Synergy Comp 5.56 Synergy Comp 5.56 Specifications: 416 Stainless Steel Melonite QPQ Finish 1/2x28 threading Crush Washer Included OAL: 2.47" Weight: 3.2 oz

SLR Rifleworks Synergy Mini Comp 5.56 Synergy Mini Comp 5.56 Specifications: 416 Stainless Steel Melonite QPQ Finish 1/2x28 threading Crush Washer Included

SLR Rifleworks Synergy Mini Comp 5.56 - Titanium Synergy Mini Compensator 5.56 Titanium Specifications: Grade 5 Titanuim 1/2x28 Threading No ports on bottom to reduce ground blast 1.4oz .252 bore 1.84 OAL .862 Dia Works with VG6 CAGE Device Adds 1.24"...

SLR Rifleworks Ultra Lite M LOK Handguard SOLO Ultra Lite Series MLOK Handguard Specifications 16.5" Solo Ultra Lite MLOK 1.3" ID 11.5 oz with barrel nut and hardware Gen 4 Mil-Spec Hardcoat Anodize 7075 Barrel nut w/ Hardcoat Anodize Melonite Finish...

Sons of Liberty .223Wylde PRECISION Grade Barrels, 1:7, 416R Stainless Our badass match barrel has just gotten even better.  SPR Profile, 416R Stainless steel, High Pressure Tested and now QPQ (Melonite) treated inside and out for extra durability...