Your basket is empty.

Basket

Help and contact

Free standard delivery over £199

100-day return policy

Newsletter

Sale

Over 300,000 customers - we say thank you!

4.93/5 "Very good" (1400+ reviews)

40,000+ products for hunting and shooting sports

Enhance your AR-15's performance with our precision-engineered gas blocks, designed for optimal gas flow and reliability in various shooting conditions.

AR-15 Gas Block - Optimize Your Firearm's Performance

AR-15 gas blocks are essential components that regulate the flow of gas in semi-automatic rifles, ensuring reliable cycling and enhanced accuracy. Whether you're upgrading your current setup or building a new rifle, choosing the right gas block is crucial for optimal performance. Our selection features top brands like Daniel Defense, Bravo Company, and Geissele Automatics, catering to various AR-15 models. We offer a selection of 339 products from this brand to meet a variety of needs.

Categories
Restrict search
- AR-15 Gas Block
- Weapon type
- Model
- Manufacturer
- Barrel Weight
- Cartridge
- Colour
- Contour
  - Big Gunner (5)
  - Carbine (1)
  - DMR (2)
  - DRP (5)
  - Drop-In (2)
  - Fluted (4)
  - Government (14)
  - Gunner (24)
  - Handgun (1)
  - Hanson (16)
  - Heavy (4)
  - Heavy Fluted (7)
  - Hybrid (3)
  - Lightweight (12)
  - M4 (6)
  - Match (1)
  - Pencil (12)
  - Round (2)
  - S2W (2)
  - SBR Tactical (2)
  - SPR (9)
  - Socom (1)
  - Straight (1)
  - Tapered (2)
  - Target (3)
  - View More View Less
- Finish
- Gas System Length
- Length
  - 1.25'' (1)
  - 10 (2)
  - 10'' (1)
  - 10.3 (4)
  - 10.3'' (11)
  - 10.4 (1)
  - 10.5 (4)
  - 10.5'' (13)
  - 10.7 (2)
  - 10.9 (4)
  - 11.3'' (3)
  - 11.5 (1)
  - 11.5'' (7)
  - 12 (7)
  - 12.25 (3)
  - 12.3'' (1)
  - 12.5'' (8)
  - 12.6 (1)
  - 12.625 (1)
  - 12.7 (1)
  - 13'' (2)
  - 13.5 (6)
  - 13.7'' (1)
  - 13.9'' (5)
  - 14.5'' (13)
  - 14.7'' (1)
  - 15 (18)
  - 15'' (10)
  - 16 (3)
  - 16'' (45)
  - 16.5'' (2)
  - 16.6'' (4)
  - 16.75'' (1)
  - 18 (2)
  - 18'' (23)
  - 20'' (13)
  - 24'' (4)
  - 5.5'' (1)
  - 6'' (1)
  - 6.25 (1)
  - 7 (4)
  - 7.3 (3)
  - 7.3'' (4)
  - 7.5'' (2)
  - 8'' (1)
  - 8.3 (1)
  - 8.9 (4)
  - 9 (5)
  - 9'' (2)
  - 9.3 (4)
  - 9.5 (3)
  - 9.55 (2)
  - View More View Less
- Material
- Muzzle Threads
- Special Filters
  - Made in USA (334)
- Style
  - 2-Piece (2)
  - Carbine (1)
  - Complete (6)
  - Drop-In (2)
  - Fixed (2)
  - Flip-Up (13)
  - Folding (4)
  - Free Float (5)
  - Kit (3)
  - M-LOK (98)
  - Picatinny (6)
  - Punch (1)
  - Roll Pin (1)
  - Screw (1)
  - Set (1)
  - Short (5)
  - Starter (1)
  - View More View Less
- Twist
  - 1-10 (11)
  - 1-10'' (1)
  - 1-11 (1)
  - 1-12 (2)
  - 1-14 (2)
  - 1-16 (6)
  - 1-5 (2)
  - 1-6 (1)
  - 1-7 (46)
  - 1-7.5 (4)
  - 1-8 (70)
  - 1-9 (1)
  - View More View Less
- Type
- Price
  - -
- New products
  - Only new products (2)
- Stock status
- Feedback

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

Product Categories

Ordering

Customer Service

Connect

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.