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Q - AR Upper Receivers, Muzzle Devices, Threaded Barrels & Other Gun Parts and Accessories — 99 products / 170 models

Q develops high-performance parts and accessories to help you upgrade any build with ease. We carry a variety of Q muzzle devices, including secure suppressor mounts and their signature Cherry Bomb muzzle brakes, as well as threaded AR barrels to ensure compatibility.  Their upper receivers are perfect for replacing your current Q upper or creating your own build from scratch. Add a pistol brace or AR stock assembly to stabilize shots down range without adding excess weight to your platform.image

Whether you need handguards or rail sections for seamless accessory attachment or sturdy scope mounts to secure your optic, Q has the exact upgrades you need at a price you’ll love. Browse all our gun parts for sale to discover more deals on AR triggers, BCGs, buffer tubes, and other essentials to craft your dream build. Shop online at OpticsPlanet today and get Free Shipping on most orders over $49.

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Image of Gun Parts category Gun Parts
Image of Weapon Accessories category Weapon Accessories
Image of Muzzle Devices category Muzzle Devices
Image of Muzzle Brakes & Compensators category Muzzle Brakes & Compensators
Image of Rifle Parts category Rifle Parts
Image of AR 15 Parts category AR 15 Parts
Image of AR15 Accessories category AR15 Accessories
Image of AR15 Upper Receivers category AR15 Upper Receivers
Image of AR15 Upper Parts category AR15 Upper Parts
Image of AR 15 Tactical Rails category AR 15 Tactical Rails
Image of AR Handguards & Forends category AR Handguards & Forends
Image of Rifle Barrels category Rifle Barrels
Image of AR15 Stocks category AR15 Stocks
Image of Riflescope Mounts, Rings & Bases category Riflescope Mounts, Rings & Bases
Image of Rifle Scopes & Accessories category Rifle Scopes & Accessories
Image of Firearm Braces category Firearm Braces
Image of Flash Hiders category Flash Hiders
Image of AR15 Barrels category AR15 Barrels
Image of AR15 Lower Parts category AR15 Lower Parts
Image of Rifle Scope Bases & Rails category Rifle Scope Bases & Rails

99 Products in Q

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Image of Q Cherry Bomb Muzzle Brake/Suppressor Adapter 9 models Q Cherry Bomb Muzzle Brake/Suppressor Adapter (25) As Low As (Save Up to 20%) $94.49 Blazin' Deal
Image of Q Sugar Weasel, .300 AAC Blackout, 7 inch, Upper Receiver Q Sugar Weasel, .300 AAC Blackout, 7 inch, Upper Receiver $1,450.00 Free 2 Day Shipping
Image of Q Shorty Stock AR-15, M4 Collapsible AR Buttstock 2 models Q Shorty Stock AR-15, M4 Collapsible AR Buttstock (15) List: $367.50 (Save Up to $19.99) $350.00 Best Rated
Image of Q AR-15/AR-10 Trigger Q AR-15/AR-10 Trigger (10) List: $294.00 (Save $19.00) $275.00 Best Rated
Image of Q Plan-B Omega Suppressor Mount Q Plan-B Omega Suppressor Mount (14) List: $166.00 (Save 10%) $150.00 Best Rated
Image of Q Sugar Weasel, 5.56x45mm NATO, 16 inch, Upper Receiver 3 models Q Sugar Weasel, 5.56x45mm NATO, 16 inch, Upper Receiver (1) As Low As (Save Up to 10%) $1,309.00 30% Bonus Bucks
Image of Q Honey Badger Barrel Assembly Q Honey Badger Barrel Assembly (8) List: $519.99 (Save $4.99) $515.00 Free 2 Day Shipping
Image of Q Honey Badger Stock Assembly 2 models Q Honey Badger Stock Assembly (1) List: $367.50 (Save $17.50) $350.00 Free 2 Day Shipping
Image of Q Rearend, Cherry Bomb 3 models Q Rearend, Cherry Bomb (27) $100.00 Best Rated
Image of Q The FIX Assembly 6.5 Creedmoor Threaded Rifle Barrel 2 models Q The FIX Assembly 6.5 Creedmoor Threaded Rifle Barrel List: $519.99 (Save Up to $4.99) $515.00 Free 2 Day Shipping
Image of Q The FIX AR-15 M-LOK Handguard 4 models Q The FIX AR-15 M-LOK Handguard (3) As Low As (Save Up to $3.99) $350.00 Free 2 Day Shipping
Image of Q The FIX Assembly .308 Winchester Threaded Rifle Barrel Q The FIX Assembly .308 Winchester Threaded Rifle Barrel $515.00 Free 2 Day Shipping
Image of Q Sert AR Handguard Accessory 6 models Q Sert AR Handguard Accessory (2) As Low As (Save Up to 28%) $289.99 30% Bonus Bucks
Image of Q Honey Badger Pistol Brace 2 models Q Honey Badger Pistol Brace (1) $300.00 18% Bonus Bucks
Image of Q The Fix 8.6 BLK Threaded Barrel Assembley 3 models Q The Fix 8.6 BLK Threaded Barrel Assembley List: $515.99 (Save Up to $4.99) $515.00 Free 2 Day Shipping
Image of Q Fix Pistol Brace 2 models Q Fix Pistol Brace (1) As Low As (Save Up to 10%) $269.99 20% Bonus Bucks
Image of Q Mini Fix .300 BLK Barrel Assembly Q Mini Fix .300 BLK Barrel Assembly $515.00 Free 2 Day Shipping
Image of Q Plan-B Tirant Mount 2 models Q Plan-B Tirant Mount (1) As Low As (Save Up to 15%) $140.49 Blazin' Deal
Image of Q ERECT9R Direct Mount 3 models Q ERECT9R Direct Mount As Low As (Save Up to 32%) $64.49 Blazin' Deal
Image of Q Flash Hider Muzzle Device 3 models Q Flash Hider Muzzle Device (5) As Low As (Save Up to 16%) $116.49 Blazin' Deal
Image of Q Plan-B Ghost M Mount 3 models Q Plan-B Ghost M Mount (1) As Low As (Save Up to 20%) $135.99 Extra 11% OFF w/ CRISP Blazin' Deal
Image of Q Fix Stock Barrel Assembly Q Fix Stock Barrel Assembly (1) $550.00 Free 2 Day Shipping
Image of Q Assembly Butt Pad Q Assembly Butt Pad (4) List: $178.99 (Save 16%) $150.00 Free 2 Day Shipping
Image of Q Fix M1913 Top Rail 3 models Q Fix M1913 Top Rail As Low As (Save Up to 24%) $116.49 Blazin' Deal
Image of Q AR-15 Two-Piece Complete Bolt Carrier Groups Q AR-15 Two-Piece Complete Bolt Carrier Groups (2) List: $415.99 (Save $15.99) $400.00 Free 2 Day Shipping
Image of Q Gun Sling 2 models Q Gun Sling (21) List: $73.30 (Save Up to 23%) $69.00 Best Rated
Image of Q Honey Badger Pistol Handguard Kit 4 models Q Honey Badger Pistol Handguard Kit (6) As Low As (Save Up to 17%) $289.99 18% Bonus Bucks
Image of Q Cherry Bomb ERECT9R Quickie Mount 2 models Q Cherry Bomb ERECT9R Quickie Mount (3) As Low As (Save Up to 13%) $67.49 Blazin' Deal
Image of Q Whistle Tip Blast Mitigation Device 2 models Q Whistle Tip Blast Mitigation Device (13) As Low As (Save Up to 22%) $125.00 Best Rated
Image of Q 100-362 AUS MOUNT 30MM DIA DIRECT THE FIX BLK Q 100-362 AUS MOUNT 30MM DIA DIRECT THE FIX BLK List: $430.92 (Save $30.92) $400.00
Image of Q 100-360 AUS MOUNT 30MM DIA DIRECT MINI FIX BLK Q 100-360 AUS MOUNT 30MM DIA DIRECT MINI FIX BLK List: $430.92 (Save $30.92) $400.00 15% Bonus Bucks
Image of Q Plan-B Omega 9K Mount Q Plan-B Omega 9K Mount (1) List: $172.99 (Save 13%) $150.00 Free 2 Day Shipping
Image of Q ATLAS Bipod Q-Sert Direct Mount 2 models Q ATLAS Bipod Q-Sert Direct Mount (2) As Low As (Save Up to 22%) $57.49 Blazin' Deal
Image of Q HK 3-Lug Mount for ERECT9R 9mm Suppressor 2 models Q HK 3-Lug Mount for ERECT9R 9mm Suppressor (4) List: $199.99 (Save Up to 12%) $175.00 20% Bonus Bucks
Image of Q Mini Fix 5.56 NATO Barrel Assembly Q Mini Fix 5.56 NATO Barrel Assembly (1) $515.00
Image of Q Cherry Bomb Blast Mitigation Device Q Cherry Bomb Blast Mitigation Device (4) $150.00 18% Bonus Bucks
Image of Q The Fix M1913 Picatinny Top Rail 2 models Q The Fix M1913 Picatinny Top Rail (1) As Low As (Save Up to 21%) $100.00 Free 2 Day Shipping
Image of Q Bottle Rocket Muzzle Brake Enhancer Q Bottle Rocket Muzzle Brake Enhancer (6) List: $114.99 (Save 13%) $100.00 Best Rated
Image of Q Fix Multi-Tool Q Fix Multi-Tool (4) List: $87.99 (Save 22%) $69.00
Image of Q The Fix Extended Bolt Handle Q The Fix Extended Bolt Handle (1) List: $146.00 (Save 14%) $125.00
Image of Q 100-322 AUS MOUNT 34MM DIA DIRECT THE FIX BLK Q 100-322 AUS MOUNT 34MM DIA DIRECT THE FIX BLK List: $430.92 (Save $30.92) $400.00
Image of Q Honey Badger Pistol Handguard 4 models Q Honey Badger Pistol Handguard (5) As Low As (Save Up to 12%) $219.99 12% Bonus Bucks
Image of Q Assembly Firm Butt Pad Q Assembly Firm Butt Pad (1) $150.00 18% Bonus Bucks
Image of Q Sugar Weasel Upper 3 models Q Sugar Weasel Upper (10) As Low As (Save Up to 10%) $1,309.00 Best Rated
Image of Q Deluxe Q-Sert Vertical Grip Q Deluxe Q-Sert Vertical Grip (1) $100.00
Image of Q Plan-B Omega XL Suppressor Mount Q Plan-B Omega XL Suppressor Mount (5) List: $207.55 (Save 28%) $150.00
Image of Q Honey Badger 2-Piece AR-15 5.56x45mm NATO Bolt Carrier Group 2 models Q Honey Badger 2-Piece AR-15 5.56x45mm NATO Bolt Carrier Group (4) As Low As (Save Up to 18%) $389.99 Final Sale
Image of Q Q-Sert to ARCA-Swiss Adapter Q Q-Sert to ARCA-Swiss Adapter (1) List: $150.00 (Save 20%) $120.00
Image of Q Honey Badger Multi-Tool Q Honey Badger Multi-Tool (2) List: $73.50 (Save 32%) $50.00
Image of Q 15.25FIXMLOKHANDGUARD The FixRifle 15in 6061-T6 Aluminum Black Q 15.25FIXMLOKHANDGUARD The FixRifle 15in 6061-T6 Aluminum Black (1) List: $323.99 (Save $23.99) $300.00
Image of Q Arca Swiss Q-Sert Plate Q Arca Swiss Q-Sert Plate (2) List: $66.04 (Save 39%) $40.00
Image of Q Rearend Muzzle Brake 4 models Q Rearend Muzzle Brake List: $123.75 (Save Up to 19%) $100.00
Image of Q Reptilia AUS Direct Optic Riflescope Mount 4 models Q Reptilia AUS Direct Optic Riflescope Mount $400.00
Image of Q Mini Fix 1913 Top Rail Cover Plate 4 models Q Mini Fix 1913 Top Rail Cover Plate As Low As $98.49 Blazin' Deal
Image of Q Honey Badger Barrel Nut Q Honey Badger Barrel Nut (2) List: $65.00 (Save 23%) $50.00 18% Bonus Bucks
Image of Q Crutch Q Crutch (1) List: $57.18 (Save 38%) $35.49
Image of Q Q Balanced Bolt Catch Q Q Balanced Bolt Catch (4) List: $49.99 (Save 29%) $35.49
Image of Q Assembly Fix Stock Q Assembly Fix Stock (1) List: $550.99 $550.00
Image of Q Deluxe Q-Sert 2 Slot Hand Stop Accessory 4 models Q Deluxe Q-Sert 2 Slot Hand Stop Accessory (2) As Low As (Save Up to 23%) $77.99 Final Sale
Image of Q Bootleg Q-Sert Vertical Grip Q Bootleg Q-Sert Vertical Grip (1) List: $31.49 (Save 36%) $20.00
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    Last updated 2026-10-05 UTC.