AR-15 Parts & Accessories

Build and upgrade your rifle with our range of AR-15 parts and accessories at Onyx Armaments. Shop stocks, pistol grips, foregrips and backup sights for your AR15/M4 — proven, hard-use upgrades from the industry's leading brands.

Sale

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated Hellfire FL-6 Reticle

SIG Sauer

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated Hellfire FL-6 Reticle

Sale price £459.99 Regular price £529.99
Sale

SIG Sauer TANGO-MSR 1-10x26 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

SIG Sauer

SIG Sauer TANGO-MSR 1-10x26 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

Sale price £649.99 Regular price £789.99
Sale

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Black

SIG Sauer

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Black

Sale price £459.99 Regular price £529.99
Sale

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle

SIG Sauer

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle

Sale price £469.99 Regular price £649.99
Sale

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

SIG Sauer

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

Sale price £559.99 Regular price £689.99
Sale

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle Coyote Tan

SIG Sauer

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle Coyote Tan

Sale price £469.99 Regular price £649.99
Sale

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Coyote Tan

SIG Sauer

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Coyote Tan

Sale price £459.99 Regular price £529.99
Sale

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Coyote Tan

SIG Sauer

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Coyote Tan

Sale price £559.99 Regular price £689.99
EOTech PRS 2 30mm Cantilever QD Rifle Scope Mount

EOTech

EOTech PRS 2 30mm Cantilever QD Rifle Scope Mount

£229.99
SIG Sauer TANGO-MSR Compact 1-6x24 LPVO Rifle Scope Illuminated BDC6

SIG Sauer

SIG Sauer TANGO-MSR Compact 1-6x24 LPVO Rifle Scope Illuminated BDC6

£549.99
SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope SFP Illuminated BDC10

SIG Sauer

SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope SFP Illuminated BDC10

£699.99
SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope FFP Illuminated BDC10

SIG Sauer

SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope FFP Illuminated BDC10

£799.99
SIG Sauer TANGO-MSR Compact 1-8x24 LPVO Rifle Scope Illuminated BDC8

SIG Sauer

SIG Sauer TANGO-MSR Compact 1-8x24 LPVO Rifle Scope Illuminated BDC8

£649.99
SIG Sauer ROMEO8T-AMR Red Dot Sight & JULIET3T-AMR Magnifier Combo Kit

SIG Sauer

SIG Sauer ROMEO8T-AMR Red Dot Sight & JULIET3T-AMR Magnifier Combo Kit

£1,099.99
SIG Sauer ROMEO5XDR Gen II Red Dot Sight & JULIET5-Micro Magnifier Combo

SIG Sauer

SIG Sauer ROMEO5XDR Gen II Red Dot Sight & JULIET5-Micro Magnifier Combo

£519.99
SIG Sauer ROMEO5 Gen II Red Dot Sight & JULIET3-Micro Magnifier Combo

SIG Sauer

SIG Sauer ROMEO5 Gen II Red Dot Sight & JULIET3-Micro Magnifier Combo

£399.99
EOTech XPS2-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

EOTech

EOTech XPS2-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

£729.99
EOTech XPS2-0ODGRN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot OD Green

EOTech

EOTech XPS2-0ODGRN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot OD Green

£729.99
EOTech XPS2-0GREY Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Grey

EOTech

EOTech XPS2-0GREY Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Grey

£729.99
EOTech XPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

EOTech

EOTech XPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

£729.99
EOTech EXPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

EOTech

EOTech EXPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

£799.99
EOTech EXPS3-DCRTAN Holographic Weapon Sight Danger Close Reticle Tan

EOTech

EOTech EXPS3-DCRTAN Holographic Weapon Sight Danger Close Reticle Tan

£939.99
EOTech EXPS3-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

EOTech

EOTech EXPS3-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

£939.99
EOTech EXPS3-1TAN Holographic Weapon Sight 1 MOA Dot Tan

EOTech

EOTech EXPS3-1TAN Holographic Weapon Sight 1 MOA Dot Tan

£939.99

About this range

AR-15 Parts & Accessories, explained.

From a first drop-in grip to a complete precision build, find the right components to make your rifle fit, handle and shoot better. £5 tracked UK delivery in 7–10 business days.

Running a straight pull? These parts fit standard AR-15/M4 pattern lowers, handguards and buffer tubes, so they suit UK straight-pull and rimfire AR builds as well. If you're unsure about your rifle, ask us and we'll confirm fitment before you order. Read our straight-pull AR-15 parts guide for what fits and what does not.

Where should you start? Read our guide to the best AR-15 upgrades under £100, or browse all our buying guides.

Shop by category: Stocks, Precision Stocks, Grips & Foregrips, Iron Sights, Slings & Mounts, Bipods and M-LOK Accessories.

AR-15 Parts & Accessories

Filters

Filter

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated Hellfire FL-6 Reticle

SIG Sauer TANGO-MSR 1-10x26 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Black

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle Coyote Tan

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Coyote Tan

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Coyote Tan

EOTech PRS 2 30mm Cantilever QD Rifle Scope Mount

SIG Sauer TANGO-MSR Compact 1-6x24 LPVO Rifle Scope Illuminated BDC6

SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope SFP Illuminated BDC10

SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope FFP Illuminated BDC10

SIG Sauer TANGO-MSR Compact 1-8x24 LPVO Rifle Scope Illuminated BDC8

SIG Sauer ROMEO8T-AMR Red Dot Sight & JULIET3T-AMR Magnifier Combo Kit

SIG Sauer ROMEO5XDR Gen II Red Dot Sight & JULIET5-Micro Magnifier Combo

SIG Sauer ROMEO5 Gen II Red Dot Sight & JULIET3-Micro Magnifier Combo

EOTech XPS2-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

EOTech XPS2-0ODGRN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot OD Green

EOTech XPS2-0GREY Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Grey

EOTech XPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

EOTech EXPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

EOTech EXPS3-DCRTAN Holographic Weapon Sight Danger Close Reticle Tan

EOTech EXPS3-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

EOTech EXPS3-1TAN Holographic Weapon Sight 1 MOA Dot Tan

AR-15 Parts & Accessories, explained.

Dispatches

Your cart is empty

Your cart is empty

AR-15 Parts & Accessories

Filters

Active filters:

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated Hellfire FL-6 Reticle

SIG Sauer TANGO-MSR 1-10x26 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Black

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Black

SIG Sauer TANGO-MSR 1-8x24 LPVO Rifle Scope Illuminated MSR BDC8 Reticle Coyote Tan

SIG Sauer TANGO-MSR 1-6x24 LPVO Rifle Scope Illuminated MSR BDC6 Reticle Coyote Tan

SIG Sauer TANGO-MSR 1-10x28 LPVO Rifle Scope Illuminated MSR BDC10 Reticle Coyote Tan

EOTech PRS 2 30mm Cantilever QD Rifle Scope Mount

SIG Sauer TANGO-MSR Compact 1-6x24 LPVO Rifle Scope Illuminated BDC6

SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope SFP Illuminated BDC10

SIG Sauer TANGO-MSR Compact 1-10x24 LPVO Rifle Scope FFP Illuminated BDC10

SIG Sauer TANGO-MSR Compact 1-8x24 LPVO Rifle Scope Illuminated BDC8

SIG Sauer ROMEO8T-AMR Red Dot Sight & JULIET3T-AMR Magnifier Combo Kit

SIG Sauer ROMEO5XDR Gen II Red Dot Sight & JULIET5-Micro Magnifier Combo

SIG Sauer ROMEO5 Gen II Red Dot Sight & JULIET3-Micro Magnifier Combo

EOTech XPS2-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

EOTech XPS2-0ODGRN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot OD Green

EOTech XPS2-0GREY Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Grey

EOTech XPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

EOTech EXPS2-0TAN Holographic Weapon Sight 68 MOA Ring 1 MOA Dot Tan

EOTech EXPS3-DCRTAN Holographic Weapon Sight Danger Close Reticle Tan

EOTech EXPS3-2TAN Holographic Weapon Sight 68 MOA Ring Two 1 MOA Dots Tan

EOTech EXPS3-1TAN Holographic Weapon Sight 1 MOA Dot Tan

AR-15 Parts & Accessories, explained.