Your basket is empty.

Basket

Help and contact

Free standard delivery over £199

100-day return policy

Brownells UK - World's Largest Supplier of Gun Parts, Gunsmith Tools & Shooting Accessories

United Kingdom

My Account (Sign in)

Shopping list

(0)

Basket

Shop
Schematics
Manufacturers

Newsletter

Sale

Firearms
Rifle Parts
Handgun Parts
Shotgun Parts
Magazines
Reloading
Shooting Accessories
Gunsmith Tools
Optics & Mounting
Gun Cleaning & Chemicals
—
—
—

Home Popular AR-15 Bolt Catch

AR-15 Bolt Catch

AR-15 Bolt Catch Rifle Parts
AR-15 Bolt Catch > Rifle Parts - Preview 0

AR-15 Bolt Catch > Rifle Parts - Preview 1

AR-15 Bolt Catch Magazines
AR-15 Bolt Catch > Magazines - Preview 0

AR-15 Bolt Catch > Magazines - Preview 1

AR-15 Bolt Catch Shooting Accessories
AR-15 Bolt Catch > Shooting Accessories - Preview 0

AR-15 Bolt Catch > Shooting Accessories - Preview 1

AR-15 Bolt Catch Gunsmith Tools
AR-15 Bolt Catch > Gunsmith Tools - Preview 0

AR-15 Bolt Catch > Gunsmith Tools - Preview 1

Restrict search

Products
Bestseller
Top rated
Sale
New

Filter by: then

Filter by:

Sort by:

Display per page:

Page: 1 2 3 4 5 ... 13 < >

AR-15 Bolt Catch - Products

61 - 80 of 251 results

Page: 1 2 3 4 5 ... 13 < >

Sale

MAGPUL AR-15 PMAG GEN M2 MOE WINDOW MAG 223/5.56 30RD BLK 1PK
AR-15 30RD PMAG GEN M2 MOE WINDOW MAGAZINE 223/5.56

MAGPUL

In stock

£21.20 * £24.90 - £1,749.90*

(Select Items on Sale!)

Old price £24.90

Magazines

The magazine is made of corrosion-proof, fiber-reinforced polymer with a self-lubricating one-piece design, and it features a stainless steel spring.
It includes a MagLevel window on both sides with an orange indicator for monitoring ammo levels, and it has a 30-round capacity for 223 Remington or 5.56 mm NATO rounds.
Designed for AR-15 semi-auto action, the magazine has anti-tilt follower and ribbing for improved grip, and it can withstand extended periods of being fully loaded as well as the heat from full-auto fire.

4.9

🔄 Transform your AR-15 with the S&W M&P 15-22 Mag Adapter! Easy install & last-shot bolt hold-open feature. Perfect for .22LR uppers. Get yours now! 🔫

BOONIE PACKER PRODUCTS BETTER-MAG S&W .22 MAG ADAPTER
AR-15/M16 BETTER-MAG S&W M&P 15-22 MAGAZINE CONVERSION ADAPTER

BOONIE PACKER PRODUCTS

Reordered

£89.90 *

Caliber Conversion Kits

The adapter allows Smith & Wesson M&P15-22 magazines to be used in AR-15s with a .22 LR upper or CMMG conversion unit.
Features an independent bolt catch that locks back after the last shot, mimicking standard AR-15 functionality.
Constructed from 6061 aluminum with a natural finish and a 1018 steel bolt catch that is case-hardened.

3.8

AERO PRECISION LOWER BOLT CATCH PIN FOR AR-15/M4E1 STAINLESS STEEL
AR-15 M4E1 LOWER BOLT CATCH PIN

AERO PRECISION

In stock

£18.90 *

Receiver Pins

The pin is specifically designed for use with Aero Precision's M4E1 Lower Receiver and is not compatible with M5 or AR-15 Gen 2 Lower Receivers.
This product comes included with the Aero Precision M4E1 Lower Receiver, so separate purchase is not necessary unless it is to replace a lost or damaged pin.
The item is a threaded roll pin intended for customers needing a replacement for their M4E1 threaded bolt catch roll pin.

CMMG 308 AR GUNBUILDER'S LOWER PARTS KIT
308 AR LOWER GUNBUILDER'S LOWER PARTS KIT

CMMG

In stock

£69.90 *

The kit includes specialized parts for the 308 platform, such as LR308 takedown and pivot pins, and an improved bolt catch.
It features a bolt catch screw instead of the traditional AR-15 pin, catering to the 308 AR builds.
The parts list is comprehensive, covering essential components from takedown pins to buffer retainer springs for building or repairing a .308 AR lower.

Upgrade your AR-15 with the STRIKE LATCHLESS CHARGING HANDLE 🛠️ Durable 7075 construction & ambidextrous design. No snagging, perfect for optics & gloves! Learn more ➡️

STRIKE INDUSTRIES STRIKE LATCHLESS CHARGING HANDLE BLACK
STRIKE LATCHLESS CHARGING HANDLE

STRIKE INDUSTRIES

In stock

£59.90 * £59.90 - £64.90*

Charging Handles

The Strike Latchless Charging Handle is designed with a hidden spring mechanism for reliable lockup without external moving parts that can snag or break.
Constructed from forged 7075 aluminum, it features efficient side gas venting and a larger flat spring bearing surface for increased durability and service life.
It is compatible with standard mil-spec AR15 only and is not suitable for use with suppressors, full auto fire, SBRs, or pistol length barrels.

🔥 Upgrade your AR-15 with the STRIKE Latchless Charging Handle! Forged 7075, ambidextrous design & FDE finish. Perfect for enthusiasts. Learn more! ✅

STRIKE INDUSTRIES STRIKE LATCHLESS CHARGING HANDLE FDE
STRIKE LATCHLESS CHARGING HANDLE

STRIKE INDUSTRIES

In stock

£64.90 * £59.90 - £64.90*

Charging Handles

The Strike Latchless Charging Handle features a latchless design with a hidden spring mechanism for reliable lockup and a smooth surface that reduces wear.
Constructed from forged 7075 aluminum, it is designed for durability and has an efficient side gas venting system.
It is compatible with standard mil-spec AR15s, not suitable for use with suppressors, full auto fire, SBRs, or pistol length barrels.

AR-15 Brass Catcher
Caldwell AR Pic Rail Brass Catcher

Caldwell

Reordered

£19.90 * £19.90 - £59.90*

Shooting Accessories

The AR-15 Brass Catcher easily attaches to the forearm of any AR with hook and loop webbing to capture ejected .223 brass.
It prevents the scattering of brass in the shooting area and protects shooters and bystanders from hot ejected brass.
The catcher has a wire frame to maintain its shape, holds about 30 rounds, and features a zipper at the bottom for easy emptying.

BROWNELLS AR-15 LOWER PARTS KIT 5.56 NO FIRE CONTROL GRP/PISTOL GRIP
AR-15 LOWER PARTS KIT 5.56

BROWNELLS

Reordered

£54.90 *

The kit includes high-quality, Made in the USA, Mil-spec parts for AR-15 lower receivers but excludes the fire control group and pistol grip.
Parts are color-coded and packaged for easy installation, ideal for building or rebuilding an AR-15 rifle.
Contains essential components such as Takedown Pins, Bolt Catch, Buffer Retainer, Magazine Catch, Trigger Guard Assembly, and Safety Selector.

2.9

BROWNELLS AR-15/M16 CRITICAL TOOLS KIT
AR-15/M16 CRITICAL TOOLS KIT

BROWNELLS

Reordered

£154.90 *

Gunsmithing Tool Kits

The kit includes essential tools for building, repairing, or modifying AR-15/M16 rifles, such as the Brownells Armorer's Wrench and tools for various nuts and flash hiders.
It contains specialized tools for secure clamping, like the Lower Receiver Vise Block for the magwell and the Upper Receiver Action Block for barrel work, without damaging the receiver.
Additional tools provided are two pivot pin tools for the removal and installation of pivot pins and a Bolt Catch Pin Punch designed to avoid magwell obstruction.

4.4

CMMG AR-15 GUNBUILDER'S LOWER PARTS KIT
AR-15 LOWER GUNBUILDER'S LOWER PARTS KIT

CMMG

In stock

£59.90 *

The CMMG Lower Parts Gunbuilder's Kit is designed for completing an AR-15 lower receiver.
This kit excludes the trigger, grip, and trigger guard components.
Included parts are takedown pins, detents, springs, safety selector, magazine catch components, bolt catch assembly, and buffer retainer parts.

4.5

DOUBLE STAR AR-15 LOWER PARTS KIT SMALL PIN
AR-15 LOWER PARTS KIT

DOUBLE STAR

In stock

£109.90 *

The Double Star AR-15 Lower Parts Kit includes all necessary components to complete a stripped AR-15 lower receiver.
It is designed to fit small pin AR-15 lower receivers and is manufactured by DOUBLE STAR.
The kit contains various parts such as the fire control group, pins and springs, bolt catch assembly, and a pistol grip with its hardware.

4.2

🔫 Upgrade your AR-15 with our Lower Parts Kit featuring the exclusive Geissele B-GC Competition Trigger! 🎯 Perfect for 3 Gun & target shooting. Get the edge now! ✨

BROWNELLS AR-15 LOWER PARTS KIT W/ GEISSELE B-GC COMPETITION TRIGGER
AR-15 LOWER PARTS KIT W/ GEISSELE B-GC COMPETITION TRIGGER

BROWNELLS

Reordered

£279.90 *

The kit includes a variety of mil-spec parts for AR-15 lower receiver assembly, minus the pistol grip.
Parts are color-coded for ease of installation and made in the USA.
Features the exclusive B-GC Geissele Competition Trigger with adjustable 3.2 or 4 lb. pull, suitable for 3 Gun competition and recreational shooting.

Upgrade your AR-15 with our Lower Parts Kit featuring the Geissele 2 Stage Enhanced Trigger 🎯 High-quality, Mil-spec parts for precision & reliability. Shop now! 🔧🛒

BROWNELLS AR-15 LOWER PARTS KIT W/ GEISSELE 2 STAGE ENHANCED TRIGGER
AR-15 LOWER PARTS KIT W/ GEISSELE 2 STAGE ENHANCED TRIGGER

BROWNELLS

Reordered

£279.90 *

The AR-15 lower parts kit includes high quality, Mil-spec parts made in the USA and is packaged in color coded bags for easy installation.
It comes with a Geissele 2 Stage Enhanced Trigger for superior control, a light 1st stage, and a crisp 2nd stage, enhancing accuracy and reliability.
The kit contains various components needed for assembly but does not include a pistol grip.

Sale

MAGPUL AR-15 PMAG GEN M2 MOE MAG 223/5.56 30RD POLYMER BLACK
AR-15 30RD PMAG GEN M2 MOE MAGAZINE 223/5.56

MAGPUL

In stock

£16.90 * £19.90 - £1,549.90*

(Select Items on Sale!)

Old price £19.90

Magazines

The magazine is made of corrosion-proof, fiber-reinforced polymer, ensuring durability and reliability even when fully loaded for long periods.
Features an anti-tilt follower and a heat-treated stainless steel spring for smooth feeding and optimal performance.
Designed with exterior ribbing for better grip, a catch notch to keep out debris, and a removable floorplate for easy cleaning.

4.8

CMMG AR-15 LOWER PIN & SPRING KIT
AR-15/M16 LOWER SPRING KIT

CMMG

In stock

£22.90 *

The kit includes 17 essential pins and springs for AR-15 lower receiver assembly or replacement.
Components such as trigger and hammer springs, pins, detents, and safety selector parts are part of the kit.
Manufactured by CMMG, it is a convenient package for building or maintenance of AR-15 lowers.

3.3

STRIKE INDUSTRIES AR-15 LOWER RECEIVER PIN KIT
AR-15 LOWER RECEIVER PIN KIT

STRIKE INDUSTRIES

In stock

£294.90 *

The Strike Industries AR-15 Lower Receiver Pin Kit includes essential pins and detents for assembling or repairing lower receivers.
This comprehensive kit contains 20 takedown pins, pivot pins, buffer retainer pins, bolt catch plungers, bolt catch roll pins, safety detents, and 40 trigger/hammer pins and takedown/pivot pin detents.
All components are durable, adhere to industry standards, and feature a matte black finish.

Sale

MAGPUL AR-15 PMAG GEN M2 MOE MAG 223/5.56 30RD POLYMER BLK 100PK
AR-15 30RD PMAG GEN M2 MOE MAGAZINE 223/5.56

MAGPUL

In stock

£1,394.88 * £19.90 - £1,549.90*

(Select Items on Sale!)

Old price £1,549.90

Magazines

The magazine is made of corrosion-proof, fiber-reinforced polymer, designed for smooth feeding and stability, with a 30-round capacity for 223/5.56 cartridges.
It is equipped with a heat-treated, stainless steel spring and is built to withstand prolonged full-auto fire and exposure to bore cleaners and solvents.
Features include exterior ribbing for better grip, a magazine catch notch to keep out debris, and a removable floorplate for easy cleaning; however, it does not come with dust covers.

4.8

AERO PRECISION AR-15 LOWER PARTS KIT NO FCG/ PISTOL GRIP/ TRIGGERGUARD
AR-15 LOWER PARTS KIT NO FCG/ PISTOL GRIP/ TRIGGERGUARD

AERO PRECISION

In stock

£59.90 *

The Aero Precision AR-15 Lower Parts Kit includes essential components to finish a lower receiver except the fire-control group, pistol grip, and trigger guard.
It provides a selection of mil-spec parts for AR builders who prefer to use their own custom trigger and pistol grip.
The kit contains takedown/pivot springs and detents, bolt catch parts, safety selector parts, buffer retainer parts, and magazine catch components.

LUTH-AR AR-15 LOWER PARTS KIT
AR-15 LOWER PARTS KIT

LUTH-AR

In stock

£129.90 *

The Luth-AR LLRPK-1 AR-15 Lower Receiver Parts Kit includes all necessary components to assemble a stripped lower receiver.
This parts kit features mil-spec AR-15 fire control parts and does not come as a drop-in module, requiring assembly.
The kit comes with a standard A2-type plastic pistol grip, with the option to upgrade to a variety of aftermarket grips available at Brownells.

🎯 Upgrade your AR-15 with TROY's Flip-Up Adjustable Rear Sight! Rugged, reliable & ready for action. Easy to deploy & lock. Shop now for precision aiming! 🔒🛠️

TROY INDUSTRIES AR-15 FLIP-UP ADJUSTABLE REAR SIGHT BLACK
AR-15 REAR SIGHT

TROY INDUSTRIES

In stock

£194.90 *

Rear Sights

Rugged flip-up rear sight by TROY INDUSTRIES, INC. designed for AR-15, locks securely and integrates with standard Picatinny rails.
Features include two locking detent balls, spring-loaded deployment, protective “ears”, and windage adjustment in ½ MOA increments.
Available in two styles: HK-Style with two same-plane apertures and DOA Rear with Di-Optic Aperture for rapid target acquisition.

4.8

Show 20 more results (Page 5)

61 - 80 of 251 results

Page: 1 2 3 4 5 ... 13 < >

Categories
Restrict search
- Make
- Model
- Manufacturer
- Bestsellers
  - Bestseller (29)
- Cartridge
- Colour
- Finish
- Special Filters
  - Made in USA (235)
- Style
- Price
  - -
- New products
  - Only new products (10)
- Stock status
- Feedback

E-mail address / User name

Password

Forgot your password?
Register

Why order from us?

Unrivaled Product Selection

You want it? We got it!

Expert Customer Advice

Via Phone, Chat & Email

US Goods to your doorstep

No customs, no problems

100 days Returns

Shop with a peace of mind

Offers, Promotions & Exclusive Products

Through our weekly newsletter

Shamelessly Honest

We encourage critical product review

Fair Pricing

We pursue a sustainable pricing policy

We won't leave you stranded

Our entire team is made up of passionate gun enthusiasts

Site Navigation

Manufacturer
Best Sellers
New Products
Schematics
Newsletter

Product Categories

Firearms
Rifle Parts
Handgun Parts
Shotgun Parts
Magazines
Reloading

Shooting Accessories
Gunsmith Tools
Optics & Mounting
Gun Cleaning & Chemicals
Emergency & Survival Gear
Becoming a dealer

Ordering

Why us?
Your local dealer
Terms and Conditions
Returns
Delivery information

Customer Service

Contact Us
About Us
Becoming a dealer

Imprint
Privacy policy

Connect

Discord
Instagram
Facebook
LinkedIn
Twitter / X

Secure payment methods

Trade Associations

Welcome!

to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.

Whether you're looking to maintain, repair, or upgrade, we've got what you need!

For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.

Massive Selection
From the essentials to the unique, find everything under one roof.

Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.

Browse our collection and discover why we're the trusted name in shooting sports & hunting.

Prices inclusive of duty & VAT.

Classical view

Mobile view