Geissele Automatics167529437
Geissele Automatics Ar15 Premium Milspec Buffer Tube Assembly W/Super 42 H3 Blk$189.00
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Availability: In Stock
The Geissele Automatics AR-15 Premium Mil-Spec Buffer Tube Assembly with Super 42 spring and H1 buffer is a purpose-built recoil system for shooters who demand reliability and smoother operation. This complete package pairs Geissele's precision-engineered buffer tube with their renowned Super 42 spring, addressing two common AR-15 pain points: inconsistent spring performance and unwanted vibration through the stock.
The buffer tube itself is machined from 7075-T6 aluminum and Type 3 hardcoat anodized in black for durability and corrosion resistance. It's carbine length, mil-spec diameter, and USA-made—designed to drop into any standard AR-15 lower receiver and work with most quality mil-spec diameter stocks. The tube features six adjustable stock positions so you can dial in the fit and feel for your shooting style. A mil-spec castle nut and end plate are included, giving you everything needed for installation.
The real difference is the Super 42 spring. Geissele engineered it with three independent wire strands—borrowing the harmonic-damping principle from the German MG42 machine gun. That design lets each strand flex independently, absorbing and dispersing energy that would otherwise stress a conventional spring. The payoff: reduced spring fatigue over thousands of rounds, stronger average return force (about 15% more than standard AR springs), and—this matters on the range or in the field—no more annoying "twang" reverberating through your stock when you cycle the action. It's also more reliable with dirty guns and steel-case ammunition, stripping rounds cleanly even when conditions aren't ideal.
Whether you're running a duty rifle, a competition gun, or a hunting AR, this assembly delivers the kind of incremental reliability and shooter comfort that separates a good setup from one you actually trust.
| Brand | Geissele Automatics |
| Product Type | Buffer Tube Assembly |
| Buffer Spring | Geissele Super 42 |
| Buffer Weight | H1 |
| Tube Material | 7075-T6 Aluminum |
| Finish | Type 3 Hardcoat Anodize |
| Color | Black |
| Length | Carbine (mil-spec) |
| Diameter | Mil-spec |
| Stock Positions | 6 |
| Weight | 3.7 oz |
| Included Components | Buffer tube, Super 42 spring, H1 buffer, castle nut, end plate |
| Country of Origin | USA |
Yes, if your AR-15 lower is mil-spec standard. The tube is carbine length and mil-spec diameter, designed to fit any standard AR-15 lower receiver. It's also compatible with most quality mil-spec diameter stocks on the market.
The Super 42 uses three independent wire strands instead of one solid coil. That design lets each strand flex separately, absorbing energy and reducing stress on the spring over time. You'll notice 15% stronger average return force, less tendency to lose tension after high round counts, and no more spring "twang" vibration through your stock. It also cycles more reliably with dirty guns and steel-case ammunition.
The package includes the Premium Mil-Spec buffer tube, Geissele Super 42 spring, H1 buffer, a mil-spec castle nut, and an end plate—everything you need to install it on your AR-15 lower.
The buffer tube features six adjustable stock positions, allowing you to customize the length of pull to fit your body and shooting style.
SKU: 194196734 • Weight: 1oz
Availability: In Stock
The Geissele Automatics AR-15 Premium Mil-Spec Buffer Tube Assembly with Super 42 spring and H1 buffer is a purpose-built recoil system for shooters who demand reliability and smoother operation. This complete package pairs Geissele's precision-engineered buffer tube with their renowned Super 42 spring, addressing two common AR-15 pain points: inconsistent spring performance and unwanted vibration through the stock.
The buffer tube itself is machined from 7075-T6 aluminum and Type 3 hardcoat anodized in black for durability and corrosion resistance. It's carbine length, mil-spec diameter, and USA-made—designed to drop into any standard AR-15 lower receiver and work with most quality mil-spec diameter stocks. The tube features six adjustable stock positions so you can dial in the fit and feel for your shooting style. A mil-spec castle nut and end plate are included, giving you everything needed for installation.
The real difference is the Super 42 spring. Geissele engineered it with three independent wire strands—borrowing the harmonic-damping principle from the German MG42 machine gun. That design lets each strand flex independently, absorbing and dispersing energy that would otherwise stress a conventional spring. The payoff: reduced spring fatigue over thousands of rounds, stronger average return force (about 15% more than standard AR springs), and—this matters on the range or in the field—no more annoying "twang" reverberating through your stock when you cycle the action. It's also more reliable with dirty guns and steel-case ammunition, stripping rounds cleanly even when conditions aren't ideal.
Whether you're running a duty rifle, a competition gun, or a hunting AR, this assembly delivers the kind of incremental reliability and shooter comfort that separates a good setup from one you actually trust.
| Brand | Geissele Automatics |
| Product Type | Buffer Tube Assembly |
| Buffer Spring | Geissele Super 42 |
| Buffer Weight | H1 |
| Tube Material | 7075-T6 Aluminum |
| Finish | Type 3 Hardcoat Anodize |
| Color | Black |
| Length | Carbine (mil-spec) |
| Diameter | Mil-spec |
| Stock Positions | 6 |
| Weight | 3.7 oz |
| Included Components | Buffer tube, Super 42 spring, H1 buffer, castle nut, end plate |
| Country of Origin | USA |
Yes, if your AR-15 lower is mil-spec standard. The tube is carbine length and mil-spec diameter, designed to fit any standard AR-15 lower receiver. It's also compatible with most quality mil-spec diameter stocks on the market.
The Super 42 uses three independent wire strands instead of one solid coil. That design lets each strand flex separately, absorbing energy and reducing stress on the spring over time. You'll notice 15% stronger average return force, less tendency to lose tension after high round counts, and no more spring "twang" vibration through your stock. It also cycles more reliably with dirty guns and steel-case ammunition.
The package includes the Premium Mil-Spec buffer tube, Geissele Super 42 spring, H1 buffer, a mil-spec castle nut, and an end plate—everything you need to install it on your AR-15 lower.
The buffer tube features six adjustable stock positions, allowing you to customize the length of pull to fit your body and shooting style.
SKU: 194196734 • Weight: 1oz