Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Customer Reviews
Helpful Positive Review Best Gas Block on the market by Wolfgar, January 24, 2020
I have used SLR products for many years now and I have never been disappointed. SLR Gas Blocks are on all of my AR rifles. The Titanium block is the lightest and my favourite. SLR products are not the cheapest, but they are top end with function and ...
Read More...
2/2 found this helpful
Read 1 Review
Color: Titanium Gas Block Journal Size-Diameter: .936 inGun Make: AR Platform Weight: 0.8 ozAdditional Features: w/.450 in. Set Screw Spacing

Code: 39E-RGB-SLRSEN9W450-SA9-TI-S-450

MPN: SA9-TI-S-450

List: $230.99Save $11.55
$219.44

Buy Together and Save

Receive $4.39 OP Bucks

Product Info for SLR Sentry 9 .936 Adjustable Gas Block w/.450 in. Set Screw Spacing

Features/Specifications:image

.450 inch Set Screw Spacing.

15-position adjustability from 0 - 0.125 inch port opening.

Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver.

Single tool click to adjust gas metering.

Melonite finish 4140 Nexturn Swiss precision metering screw.

Proprietary Alloy Flat Spring with 1400deg temper.

Melonite finish 4140 detent plunger.

USES STANDARD GAS TUBE.

NOTE - Needs Minimum 1.4 inch Inner Diameter Handgurd to fit underneath.

Included Accessories:

Tool, roll pin and mounting screws

Specifications for SLR Sentry 9 .936 Adjustable Gas Block w/.450 in. Set Screw Spacing:

Manufacturer: SLR
Color: Titanium
Fabric/Material: Titanium
Gas Block Journal Size-Diameter: .936 in
Gun Make: AR Platform
Weight: 0.8 oz
Additional Features: w/.450 in. Set Screw Spacing
Gas System Type: Direct Impingement

Features of SLR Sentry 9 .936 Adjustable Gas Block w/.450 in. Set Screw Spacing:

  • .450 inch Set Screw Spacing.
  • 15-position adjustability from 0 - 0.125 inch port opening.
  • Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver.
  • Single tool click to adjust gas metering.
  • Melonite finish 4140 Nexturn Swiss precision metering screw.
  • Proprietary Alloy Flat Spring with 1400deg temper.
  • Melonite finish 4140 detent plunger.
  • USES STANDARD GAS TUBE.
  • NOTE - Needs Minimum 1.4 inch Inner Diameter Handgurd to fit underneath.
  • Included Accessories:
  • Tool
  • roll pin and mounting screws

Package Contents:

  • SLR Sentry 9 .936 Adjustable Gas Block w/.450 in. Set Screw Spacing

SLR Sentry 9 .936 Adjustable Gas Block w/.450 in. Set Screw Spacing Orderable Models

List of Orderable Models

SLR Sentry 9 .936 Adjustable Gas Block w/.450 in. Set Screw Spacing, Titanium, SA9-TI-S-450 , MPN: SA9-TI-S-450 , Code: 39E-RGB-SLRSEN9W450-SA9-TI-S-450
Compare (0)